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Message boards : Generalized Fermat Prime Search : 271643232^131072 + 1 ?

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Yves Gallot
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GFN Double Silver: Earned 200,000,000 credits (295,254,118)
Message 130592 - Posted: 24 Jun 2019 | 16:08:45 UTC

https://primes.utm.edu/primes/page.php?id=126582

???

Ravi Fernando
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321 LLR Silver: Earned 100,000 credits (139,917)ESP LLR Bronze: Earned 10,000 credits (16,570)PPS LLR Silver: Earned 100,000 credits (116,231)PSP LLR Bronze: Earned 10,000 credits (26,371)SoB LLR Silver: Earned 100,000 credits (183,524)SR5 LLR Bronze: Earned 10,000 credits (11,183)SGS LLR Bronze: Earned 10,000 credits (11,535)TRP LLR Bronze: Earned 10,000 credits (72,462)321 Sieve Ruby: Earned 2,000,000 credits (2,227,910)AP 26/27 Bronze: Earned 10,000 credits (72,774)
Message 130593 - Posted: 24 Jun 2019 | 16:25:55 UTC

And a follow-up question from last month: 271018852^65536 + 1?

https://primes.utm.edu/primes/page.php?id=126470

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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,063,182)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (3,820,430)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Ruby: Earned 2,000,000 credits (2,773,744)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (34,158,496)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,012,781)TRP LLR Ruby: Earned 2,000,000 credits (2,737,347)Woodall LLR Ruby: Earned 2,000,000 credits (2,195,123)321 Sieve Turquoise: Earned 5,000,000 credits (5,046,112)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Turquoise: Earned 5,000,000 credits (7,090,096)GFN Emerald: Earned 50,000,000 credits (64,595,124)PSA Jade: Earned 10,000,000 credits (10,135,447)
Message 130600 - Posted: 24 Jun 2019 | 17:06:46 UTC

Crun-chi has been doing some searching on his own.
____________
Please do not PM me with support questions. Ask on the forums instead. Thank you!

My lucky number is 75898524288+1

Yves Gallot
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Message 130602 - Posted: 24 Jun 2019 | 17:14:31 UTC - in response to Message 130600.

Crun-chi has been doing some searching on his own.

But PrimeGrid is included in the proof-code.
Is it a PrimeGrid megaprime?

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321 LLR Ruby: Earned 2,000,000 credits (2,071,006)Cullen LLR Ruby: Earned 2,000,000 credits (4,358,167)ESP LLR Turquoise: Earned 5,000,000 credits (5,014,632)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,589,971)PPS LLR Ruby: Earned 2,000,000 credits (2,102,793)PSP LLR Turquoise: Earned 5,000,000 credits (5,013,650)SoB LLR Sapphire: Earned 20,000,000 credits (37,574,723)SR5 LLR Jade: Earned 10,000,000 credits (10,987,079)SGS LLR Ruby: Earned 2,000,000 credits (2,069,865)TRP LLR Ruby: Earned 2,000,000 credits (2,125,793)Woodall LLR Ruby: Earned 2,000,000 credits (2,595,228)321 Sieve Turquoise: Earned 5,000,000 credits (5,000,447)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,002,919)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,005,451)PPS Sieve Emerald: Earned 50,000,000 credits (50,809,179)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,341,676)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,070,804)AP 26/27 Jade: Earned 10,000,000 credits (10,592,660)GFN Sapphire: Earned 20,000,000 credits (31,491,236)PSA Double Gold: Earned 500,000,000 credits (629,456,353)
Message 130606 - Posted: 24 Jun 2019 | 18:19:53 UTC

Crun-chi sieved and tested ahead of our leading edge without any assistance from us. In fact he was asked not to. He chose to reuse his PrimeGrid GFN proof code to give credit to PrimeGrid.

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Found 1 prime in the 2018 Tour de Primes321 LLR Gold: Earned 500,000 credits (506,942)Cullen LLR Gold: Earned 500,000 credits (500,523)ESP LLR Gold: Earned 500,000 credits (655,642)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (539,100)PPS LLR Gold: Earned 500,000 credits (688,232)PSP LLR Gold: Earned 500,000 credits (561,629)SoB LLR Ruby: Earned 2,000,000 credits (3,659,676)SR5 LLR Gold: Earned 500,000 credits (505,810)SGS LLR Gold: Earned 500,000 credits (506,024)TRP LLR Gold: Earned 500,000 credits (963,625)Woodall LLR Gold: Earned 500,000 credits (506,044)321 Sieve Gold: Earned 500,000 credits (511,694)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (549,916)PPS Sieve Gold: Earned 500,000 credits (701,168)AP 26/27 Gold: Earned 500,000 credits (525,590)GFN Turquoise: Earned 5,000,000 credits (9,675,760)PSA Gold: Earned 500,000 credits (525,639)
Message 130634 - Posted: 25 Jun 2019 | 11:08:29 UTC

Crun-chi's related post on mersenneforums from april (he's pepi37 there, obviously) https://www.mersenneforum.org/showthread.php?t=24318

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130638 - Posted: 25 Jun 2019 | 12:39:27 UTC - in response to Message 130634.

To all of you: as admins or members of Primegrid.
Tell me does primes are property of Primegrid? Property of any of us maybe, someone special? I dont think so: there is countless number of primes..
So since there is countless number of primes and since no one here or anywhere on world claim right on all primes I decide to make my own search.

Since one of admin here refuse go give me "Primegrid " sieve files, I make my own sieve file.

It was never intention to write about this, but now when topic is started I would like to give you, rest of Primegrid members some thoughts about this.

1. Last year I ask admin to give me data of range I picked ( b=271500000 and up)
He refused to do that and say next


GFN17 was sieved to b=100M only. While later sieving probably includes b values up to 400M, the early sieving that removes so many factors does not. We're not going to get past b=100M for years.....


After few days he add
My position is that we will reach all testable b values eventually. While we can't stop you, it is not OK with us for you to test those ranges ahead of PrimeGrid. Certainly we're not going to assist by providing you with our sieve file.


So while Primegrid reach my start point....years will pass.
And that is OK, that is his decision and I respect that.

And his decision will not be any weird if one event from past show different approach from another Primegrid admin.

So in the past I ask data for
K=139,167,271,353,773,797,901, Range of N: 3420000-3720000 +1 side.

So if you dont know you cannot get sieve files for +1 on base 2 search. Sieve for k*2^n-1 is available without restriction.
Reason: Primegrid do search on +1 side. So that admin give data I asked without any problem. Only one requirement is asked from me: if prime is found to Primegrid will be credited in proof code. I never find prime, and I abandon that search.

So lets put this thing in current time.

Primegrid never made by himself any sieve data. We, all of us, make it together. So my point of view that sieve data is property of all of us. Not Primegrid, or at least not Primegrid exclusive ownership.

But I am only one member of all of us and my voice is not relevant.

And last, I reuse Primegrid proof code not because Primegrid give me sieve data, but to show respect to makers of GFN sieve and GFN PRP program , developed by Primegrid stuff.Without those programs noone ( and I ) will never find any GFN prime, or at least not so fast.

Expect prime in b^262144+1 on same range b=271500000 and up until end of this year.
Best regards to all.
____________
271643232^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130639 - Posted: 25 Jun 2019 | 12:40:59 UTC - in response to Message 130602.

Crun-chi has been doing some searching on his own.

But PrimeGrid is included in the proof-code.
Is it a PrimeGrid megaprime?

It is my prime :)
To repeat ---
I reuse Primegrid proof code not because Primegrid give me sieve data, but to show respect to makers of GFN sieve and GFN PRP program , developed by Primegrid stuff.Without those programs noone ( and I ) will never find any GFN prime, or at least not so fast.
____________
271643232^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

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Discovered 2 mega primes2018 Tour de Primes highest prime count2018 Tour de Primes highest prime scoreFound 50 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain StageFound 1 mega prime in the 2018 Tour de Primes Mountain StageFound 5 primes in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Sapphire: Earned 20,000,000 credits (36,188,653)Cullen LLR Sapphire: Earned 20,000,000 credits (20,241,050)ESP LLR Sapphire: Earned 20,000,000 credits (22,700,372)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (24,820,589)PPS LLR Double Bronze: Earned 100,000,000 credits (149,848,591)PSP LLR Sapphire: Earned 20,000,000 credits (20,833,687)SoB LLR Double Silver: Earned 200,000,000 credits (202,245,650)SR5 LLR Sapphire: Earned 20,000,000 credits (23,756,866)SGS LLR Sapphire: Earned 20,000,000 credits (20,224,191)TRP LLR Sapphire: Earned 20,000,000 credits (30,128,392)Woodall LLR Sapphire: Earned 20,000,000 credits (20,121,734)321 Sieve Sapphire: Earned 20,000,000 credits (20,190,853)Generalized Cullen/Woodall Sieve (suspended) Double Bronze: Earned 100,000,000 credits (126,821,599)PPS Sieve Double Bronze: Earned 100,000,000 credits (107,686,595)AP 26/27 Sapphire: Earned 20,000,000 credits (41,877,394)GFN Double Bronze: Earned 100,000,000 credits (104,352,108)PSA Emerald: Earned 50,000,000 credits (64,141,506)
Message 130660 - Posted: 25 Jun 2019 | 23:27:32 UTC - in response to Message 130639.

That's the nice part of being administrator of a non-profit website: you can be certain that someone will disagree with your decision (usually based on grand principles such as freedom, privacy, free trade...). Once you know that, then you can take decisions on what you believe is best for the group.

Anyway, I can certainly understand why site administrators are not keen on helping people search their "own" part of the search space, that PG would cross in its own time.

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Discovered 2 mega primesFound 1 prime in the 2018 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,090,406)Cullen LLR Gold: Earned 500,000 credits (776,297)ESP LLR Ruby: Earned 2,000,000 credits (2,160,301)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,056,207)PPS LLR Jade: Earned 10,000,000 credits (10,631,176)PSP LLR Ruby: Earned 2,000,000 credits (3,777,949)SoB LLR Sapphire: Earned 20,000,000 credits (20,233,229)SR5 LLR Turquoise: Earned 5,000,000 credits (5,978,312)SGS LLR Ruby: Earned 2,000,000 credits (2,932,085)TRP LLR Turquoise: Earned 5,000,000 credits (7,021,680)Woodall LLR Amethyst: Earned 1,000,000 credits (1,693,614)321 Sieve Turquoise: Earned 5,000,000 credits (9,475,479)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,571,178)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,009,610)PPS Sieve Double Silver: Earned 200,000,000 credits (233,250,224)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,165,888)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,071,454)AP 26/27 Ruby: Earned 2,000,000 credits (2,544,827)GFN Sapphire: Earned 20,000,000 credits (48,678,064)PSA Double Bronze: Earned 100,000,000 credits (102,762,384)
Message 130676 - Posted: 26 Jun 2019 | 16:38:04 UTC

It means that some day PG will be doing a double-check of Crun-chi's previously searched range. This is not as important as the double-check for SoB's range, as in the latter case we are trying to prove a conjecture, and a missed prime there has consequences for future computing energy expenditures.

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130680 - Posted: 26 Jun 2019 | 17:19:27 UTC - in response to Message 130676.

It means that some day PG will be doing a double-check of Crun-chi's previously searched range. This is not as important as the double-check for SoB's range, as in the latter case we are trying to prove a conjecture, and a missed prime there has consequences for future computing energy expenditures.

Primegrid many time in past double check already made ranges. For example I found prime and after two years same prime was found on Primegrid. That was time when Primegrid share data with prothsearch.com page .

I can always sent residue to Primegrid, but 15000 candidates I processed is drop of water in number of Primegrid processed workunits :)
____________
271643232^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
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321 LLR Bronze: Earned 10,000 credits (10,559)Cullen LLR Bronze: Earned 10,000 credits (31,346)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (65,043)PPS LLR Silver: Earned 100,000 credits (453,195)SoB LLR Bronze: Earned 10,000 credits (48,626)SGS LLR Bronze: Earned 10,000 credits (43,466)TRP LLR Bronze: Earned 10,000 credits (18,307)Woodall LLR Bronze: Earned 10,000 credits (16,701)Generalized Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (33,314)PPS Sieve Amethyst: Earned 1,000,000 credits (1,051,752)AP 26/27 Silver: Earned 100,000 credits (315,354)GFN Turquoise: Earned 5,000,000 credits (8,227,087)PSA Silver: Earned 100,000 credits (263,520)
Message 130695 - Posted: 26 Jun 2019 | 19:43:43 UTC - in response to Message 130680.

It is few compared to whole PG, but nevertheless a significant amount of computing. For me personally, knowing someone else already searched a range does really not increase my enthusiasm to run a project. So I encourage you to send the residues, if the admins are willing to do the effort to insert them into the database (when the time comes).

I'm also aware, that GPUs in 5 years will run this range in a much smaller timespan than today (but this is no point, otherwise noone of us would run any tasks ;) )

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130700 - Posted: 26 Jun 2019 | 21:24:46 UTC - in response to Message 130695.
Last modified: 26 Jun 2019 | 22:11:17 UTC

It is few compared to whole PG, but nevertheless a significant amount of computing. For me personally, knowing someone else already searched a range does really not increase my enthusiasm to run a project. So I encourage you to send the residues, if the admins are willing to do the effort to insert them into the database (when the time comes).

I'm also aware, that GPUs in 5 years will run this range in a much smaller timespan than today (but this is no point, otherwise noone of us would run any tasks ;) )


When , and if Primegrid ever get to this range you can always stop searching for week or two to pass my prime, and you can continue to search. Very simple and elegant solution.

Look at

https://www.primegrid.com/server_status_subprojects.php

find

Generalized Fermat Prime Search - n=17 (131072) Mega
Range statistics
Oldest unfinished workunit 615629173
Min remaining b 61045662 (1,020,482 digits long)
Workunit/result count in the database 13852/28497

and as you can see you know current b (615629173). And you know my b from prime :) Rest is easy :)

Admins will not ask me to send residue since current sieve depth mean they can eliminate at least 5000 my candidates since I dont have such deep sieve file. And until day you reach b from prime, it will be even smaller difference.

Or admins can remove prime from sieve and you dont need to worry about anything. Prime is verified so there is no error. And composite will always remain composite..so composite can remain in sieve and be double checked.
____________
271643232^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

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321 LLR Bronze: Earned 10,000 credits (10,559)Cullen LLR Bronze: Earned 10,000 credits (31,346)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (65,043)PPS LLR Silver: Earned 100,000 credits (453,195)SoB LLR Bronze: Earned 10,000 credits (48,626)SGS LLR Bronze: Earned 10,000 credits (43,466)TRP LLR Bronze: Earned 10,000 credits (18,307)Woodall LLR Bronze: Earned 10,000 credits (16,701)Generalized Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (33,314)PPS Sieve Amethyst: Earned 1,000,000 credits (1,051,752)AP 26/27 Silver: Earned 100,000 credits (315,354)GFN Turquoise: Earned 5,000,000 credits (8,227,087)PSA Silver: Earned 100,000 credits (263,520)
Message 130706 - Posted: 26 Jun 2019 | 22:25:09 UTC - in response to Message 130700.
Last modified: 26 Jun 2019 | 22:33:36 UTC

Yes, I know the current leading edge is far away from your search range and will be reached in years. I'm just a tiny cruncher, your effort is probably a year of crunching with my setup :0, so I hope you understand that I currently want to put my GPU on a project / search range where the chances to find a new prime aren't lower, because someone already checked it before (especially because megas are so rare *.*). Of course my perspective may change in future years, as GPUs get faster / my setup gets bigger.

I also understand the temptation to run a own prime search, if one has the hardware and all of the software is freely available :)

btw the leading edge is currently around b=61M for GFN17. I think the work unit number 615629173 has not necessarily anything to do with the b value.

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130711 - Posted: 27 Jun 2019 | 5:38:01 UTC - in response to Message 130706.

Yes, I know the current leading edge is far away from your search range and will be reached in years. I'm just a tiny cruncher, your effort is probably a year of crunching with my setup :0, so I hope you understand that I currently want to put my GPU on a project / search range where the chances to find a new prime aren't lower, because someone already checked it before (especially because megas are so rare *.*). Of course my perspective may change in future years, as GPUs get faster / my setup gets bigger.

I also understand the temptation to run a own prime search, if one has the hardware and all of the software is freely available :)

btw the leading edge is currently around b=61M for GFN17. I think the work unit number 615629173 has not necessarily anything to do with the b value.


Workunit have not any connection with b , but b has all :)

Min remaining b 61085254 (1,020,519 digits long)

And

1. Position of primes is random. and I didnot search whole range so there is at least 3 primes in my range, but since I stop when I find first , chances to find prime are just 25% lower ( by predicted number of primes)
In other words , even with one know prime maybe next candidate is also prime. ( we have number of those situations in past - primes in the row, or with very little difference)
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271643232^131072+1 GENERALIZED FERMAT :)
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31*332^367560+1 CRUS PRIME
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Message 130713 - Posted: 27 Jun 2019 | 7:47:12 UTC

I can always sent residue to Primegrid, but 15000 candidates I processed is drop of water in number of Primegrid processed workunits :)

Just send them. If PG admins decide to use those residues or not would be their decision. Shouldn't be your decision.

As far as I'm aware, the work generator doesn't generate units for known primes (i.e. primes coming from T5K) even if they are not PG primes. Although I know that only about the LLR work generator, not sure about genefer.

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130723 - Posted: 27 Jun 2019 | 15:59:47 UTC - in response to Message 130713.

Just send them. If PG admins decide to use those residues or not would be their decision. Shouldn't be your decision.


If they ask I will send residue, but they will not ask , since they not help me in any step of creating sieve for my task. So, from my position it is fair from them to not ask.

As far as I'm aware, the work generator doesn't generate units for known primes (i.e. primes coming from T5K) even if they are not PG primes. Although I know that only about the LLR work generator, not sure about genefer.[/quote]

Of course that work generator doesnot generate task from the prime, he generate from the sieve. And they can now easy remove particular candidate since they know it is prime.

And last - you and I write on this topic. Admins as you can see yourself, told what need to be written and left off. So if they are not concerned, you can also relax :)

Currently at 3000P in new sieve : hunt on b^262144+1 will start in 12 days :)

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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,063,182)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (3,820,430)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Ruby: Earned 2,000,000 credits (2,773,744)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (34,158,496)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,012,781)TRP LLR Ruby: Earned 2,000,000 credits (2,737,347)Woodall LLR Ruby: Earned 2,000,000 credits (2,195,123)321 Sieve Turquoise: Earned 5,000,000 credits (5,046,112)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Turquoise: Earned 5,000,000 credits (7,090,096)GFN Emerald: Earned 50,000,000 credits (64,595,124)PSA Jade: Earned 10,000,000 credits (10,135,447)
Message 130742 - Posted: 28 Jun 2019 | 17:21:54 UTC

While you are free to do whatever you want, you should be aware of the effect your actions have on others:

* You're essentially forcing other PrimeGrid users to be your double checker, while you yourself are avoiding doing double checking. That's a really selfish move.

* You're causing the admins, Jim in particular, to do extra work to program the server to avoid any primes that you find.

There's literally an infinite number of types of primes you could be searching for. You're choosing to look for the exact same primes PrimeGrid is searching. That's not necessary.
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Discovered the World's First base 116 Generalized Cullen prime!!!Discovered 13 mega primesEliminated 7 conjecture "k"sDiscovered 1 Sophie Germain pairDiscovered 1 Fermat divisor2012 Tour de Primes highest prime count2012 Tour de Primes most Mountain Stage primes2015 Tour de Primes highest prime count2016 Tour de Primes highest prime countFound 23 primes in the 2018 Tour de PrimesFound 1 mega prime in the 2018 Tour de PrimesFound 2 primes in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes highest prime countFound 22 primes in the 2019 Tour de Primes321 LLR Double Bronze: Earned 100,000,000 credits (100,829,118)Cullen LLR Double Bronze: Earned 100,000,000 credits (103,870,990)ESP LLR Double Bronze: Earned 100,000,000 credits (114,443,502)Generalized Cullen/Woodall LLR Double Bronze: Earned 100,000,000 credits (108,461,080)PPS LLR Double Silver: Earned 200,000,000 credits (343,575,390)PSP LLR Double Bronze: Earned 100,000,000 credits (108,003,110)SoB LLR Double Bronze: Earned 100,000,000 credits (135,747,083)SR5 LLR Double Silver: Earned 200,000,000 credits (201,210,377)SGS LLR Double Bronze: Earned 100,000,000 credits (160,908,586)TPS LLR (retired) Silver: Earned 100,000 credits (235,439)TRP LLR Double Bronze: Earned 100,000,000 credits (121,443,822)Woodall LLR Double Bronze: Earned 100,000,000 credits (101,447,725)321 Sieve Double Silver: Earned 200,000,000 credits (203,510,966)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (83,794,448)Generalized Cullen/Woodall Sieve (suspended) Double Silver: Earned 200,000,000 credits (285,139,652)PPS Sieve Double Ruby: Earned 2,000,000,000 credits (2,107,819,760)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Double Silver: Earned 200,000,000 credits (203,523,358)TRP Sieve (suspended) Double Silver: Earned 200,000,000 credits (201,489,157)AP 26/27 Double Bronze: Earned 100,000,000 credits (119,562,131)GFN Double Amethyst: Earned 1,000,000,000 credits (1,222,501,936)PSA Double Silver: Earned 200,000,000 credits (259,058,048)
Message 130743 - Posted: 28 Jun 2019 | 18:31:08 UTC
Last modified: 28 Jun 2019 | 18:38:51 UTC

I thought that I would weigh in on this discussion. As I see it, the are points to be made on both sides of the issue of searching primes wherever one likes.

On the side of searching as one likes:

1) Science and mathematics are driven by an openness of sharing results to be reviewed by others and to have those results available for the benefit of society at large (although, of course in some circumstances, corporate and other interests may delay that accessibility).

2) Prime hunting has traditionally been a free endeavor where one's interest and personal goals typically drive one's search. This is not different at PrimeGrid where a cursory search through the forum will yield numerous instances by a number of posters making that exact point--and often these are comments coming from PG admin regarding which PG project to run.


On the side against searching as one likes:

1) Projects often exist (not just in prime searching) to provide a systematic approach to discovery. In the case of some prime searches (e.g., SoB), this is an essential approach as efforts to "search ahead" might lead to unnecessary work when a smaller prime is found before reaching that advanced search range. In other projects, it is a helpful way of organizing a search for a number of reasons. For example, the GFN projects were often searched in the past in a more haphazard manner that is now being processed to fill in those gaps (e.g., the work at PG, the work on GFN13 and GFN14 being done on a private server).

2) "Searching ahead" is a waste of energy on most prime projects. In most cases, even modest advances in the range searched results in considerably larger numbers being examined. These larger numbers take much more processing time to run. Assuming no advances in software, hardware advances would make those searches much more efficient once reached in a systematic search than would be done by searching ahead on current hardware. This effect is often exacerbated by software development making those searches faster on all hardware. (Indeed, under this point one might question why PG runs either the PPS-mega or GFN17-mega searches, but those searches are being done in tandem with searches that are filling in the gaps.)

3) "Searching ahead" creates extra work for a project administration that should be unnecessary.

4) "Searching ahead" could cause much larger problems if more computing were doing this type of work. Certainly this would be the case if a significant percentage of PG users decided to do this, but that scenario is not very likely given the technical skill threshold to conduct such searching. However, a much more likely scenario that could occur would be if a "larger" user decided to do this approach to prime searching. Imagine, for example, if I were to decide that I would skip ahead and search GFN21 well ahead of where the PG search is right now. Would other users be upset by that?


While there are arguments on both sides of this issue (and I am sure that there are other points that could be made), there has been a practice in the prime searching community (as occurs in other fields) to establish an etiquette for how to conduct one's searches. These include things like crediting software developers, etc. for the tools being used as well as avoidance of knowingly searching the same candidates as another person or group. "Searching ahead" on a project that is already ongoing strains this etiquette, and at least in my opinion, should be avoided.

As has already been noted, there are literally an unlimited number of types of primes to be found. PG already has ongoing plans to search GFN primes at much higher ranges, but will do so systematically. While there is nothing to be done to stop anyone from searching those advanced ranges first, I would encourage anyone considering such actions to think about how that affects prime searching projects (not just PG) and the overall endeavor of prime searching.

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Found 1 prime in the 2019 Tour de PrimesESP LLR Amethyst: Earned 1,000,000 credits (1,525,754)PPS LLR Amethyst: Earned 1,000,000 credits (1,327,204)PSP LLR Silver: Earned 100,000 credits (273,295)SoB LLR Amethyst: Earned 1,000,000 credits (1,209,000)SR5 LLR Silver: Earned 100,000 credits (112,905)TRP LLR Amethyst: Earned 1,000,000 credits (1,370,887)321 Sieve Amethyst: Earned 1,000,000 credits (1,633,882)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Bronze: Earned 10,000 credits (64,186)TRP Sieve (suspended) Silver: Earned 100,000 credits (259,649)PSA Silver: Earned 100,000 credits (456,059)
Message 130763 - Posted: 29 Jun 2019 | 6:46:42 UTC - in response to Message 130742.

While you are free to do whatever you want, you should be aware of the effect your actions have on others:

* You're essentially forcing other PrimeGrid users to be your double checker, while you yourself are avoiding doing double checking. That's a really selfish move.

* You're causing the admins, Jim in particular, to do extra work to program the server to avoid any primes that you find.

There's literally an infinite number of types of primes you could be searching for. You're choosing to look for the exact same primes PrimeGrid is searching. That's not necessary.


Just a quick and maybe provocative question - is Primegrid the sole owner of GFN searching? ... I could say that you are essentially forcing other primesearchers to not be allowed to do any GFN searching - that may not be selfish, but it most sure is likely to hurt a lot of people and it is actually a lame way to assume power over territory that is and essentially never has been the sole ownership of Primegrid. Also out of due respect, Pepi actually did his own sieving and he did choose a range that Primegrid would have sat on for years and most likely decades before reaching. At that time the prime that Pepi found may no longer be eligibel to enter top500 or top1000 - so the users may not be as encouraged in the future to search that range because there is no significance to the finding and that will actually hurt more than a little programable extra work. Also, do note that Pepi did the entire way reach out, for your better sieved file and he has offered the results he created, so Pepi all the way has shown will to not hurt Primegid and coorporate and unfortunantly the same thing can not be said about Primegrids administrators.

Yes there is infinite numbers of primes and types to search, but if everyone had to follow that approach, we would not as a community really ever gain any progress and get any significant approach towards the next big discovery. Sometimes we just all has to accept that there is many different kind of projects and primes to search for, but no one can take ownership of such a massive amount of work like Primegrid has, when it comes to searching the GFN bases.

I´m not going to flame anyone or take a hard stand on this one, just think about what the consequences of your ownership can evolve into. Pepi at least also had the curtisy to credit Primegrid (and Primegrid now also count the GFN as their megaprime find) despite the fact that Pepi has recieved no coorporation or kind words from Primegrid - does that sound fair or acceptable?

Take care :)

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (2,982,482)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,215,485)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 130764 - Posted: 29 Jun 2019 | 7:13:10 UTC - in response to Message 130763.
Last modified: 29 Jun 2019 | 7:24:37 UTC

To Mike and to Scott.

This is my last post in this topic. You can write further comments, but for me this story is over.

If you server graph is correct PG at this moment process about 730 tasks of GFN17-MEGA. I process exactly 14848 candidates before I find prime. But since Primegrid has far deeply sieved that range that I take ( my sieve depth was 1288P) you can subtract nearly 1/3 of my total number of candidates: so it is now about 10393 candidates left. With the assumption that PG will always process GFN17 with same speed and same number of GPU you will be (PG user will be) double checkers for fully two weeks. but new GPU cards appear on market every day, faster and better then before and that period will be way shorter then two weeks, so my selfishness, as Mike say is not "problem"
On opposite PG looks far more selfish then me. You take in style of big - we are big -lets take all , regardless fact we will process if for decades-- lets take it all.

Second -You're causing the admins, Jim in particular, to do extra work to program the server to avoid any primes that you find.

Open current sieve file, remove know and verified b of mine prime and close sieve file. Yes, I agree , three or four clicks with mouse is extra work to edit sieve. But dont forget, that will be heapen in 5-7-8 years from now.

Third- There's literally an infinite number of types of primes you could be searching for. You're choosing to look for the exact same primes PrimeGrid is searching. That's not necessary.

Two main reason why I take GFN. GFN is processed by GPU, and GFN sieve, also made with GPU is extreme fast and efficient. Last, number of digits rise very slowly compared to any other prime range and any other prime sequence...

Last- look at https://www.mersenne.org/. I can take as anonymous any exponent I wish, and process it. If I found prime nobody will not tell me I am selfish, I "destroy" systematic approach of searching. But compared with them , they dont take "whole range" and "reserved it" since it is pointless. There is no limit. And compared to his search, you find baby primes.

So I write here, so you can all read: I will be search in same range for GFN 18 as I was searching in GFN16 and GFN17. When I found prime, I go to GFN 19 and again search same range; it is maybe my luck range :)

You can ban me, delete me, erase me, here on Primegrid if you like. But that will not change anything.
Best regards to all.
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93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
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321 LLR Silver: Earned 100,000 credits (268,229)Cullen LLR Bronze: Earned 10,000 credits (98,851)ESP LLR Silver: Earned 100,000 credits (139,922)Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (35,236)PPS LLR Amethyst: Earned 1,000,000 credits (1,893,206)SoB LLR Silver: Earned 100,000 credits (237,390)SR5 LLR Bronze: Earned 10,000 credits (16,010)TRP LLR Bronze: Earned 10,000 credits (71,060)Woodall LLR Silver: Earned 100,000 credits (109,455)PSA Turquoise: Earned 5,000,000 credits (7,614,290)
Message 130772 - Posted: 29 Jun 2019 | 13:05:19 UTC

If anybody wants their own very slowly growing series of candidates, just pick a fixed exponent, say 3672263 (could be anything) and search all

k · 2^3672263 + 1 (Proth)

and/or:

k · 2^3672263 - 1

for increasing values of (odd) k. It is unlikely to interfere with anybody else's search, and if desired the minus form can be turned into a twin and Sophie Germain search (with the relevant sieve) just like PrimeGrid's SGS project.

/JeppeSN

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