| Prime | Digits | Date | Links | Subproject | Prime Score |
|---|
| Initial finder |
|---|
| 3638450^524288+1 | 3,439,810 (decimal) | 2020-05-29 07:52:25 UTC | T5K, official announcement | Generalized Fermat Prime Search | 52,363.589 |
| 273809*2^8932416-1 | 2,688,931 (decimal) | 2017-12-13 07:13:55 UTC | T5K, official announcement | The Riesel Problem | 24,625.161 |
| 146264*5^2953282-1 | 2,064,261 (decimal) | 2020-03-09 21:32:46 UTC | T5K, official announcement | Sierpinski/Riesel Base 5 Prime Search | 10,952.908 |
| 12304152^262144+1 | 1,858,615 (decimal) | 2020-12-27 07:36:48 UTC | T5K | Generalized Fermat Prime Search | 7,940.160 |
| 4489246^262144+1 | 1,743,828 (decimal) | 2018-03-01 04:16:07 UTC | T5K, official announcement | Generalized Fermat Prime Search | 6,530.625 |
| 2676404^262144+1 | 1,684,945 (decimal) | 2017-03-22 09:33:58 UTC | T5K, official announcement | Generalized Fermat Prime Search | 5,877.852 |
| 669*2^3606266+1 | 1,085,598 (decimal) | 2019-02-22 19:02:20 UTC | T5K | MEGA Prime Search | 1,526.504 |
| 1071*2^3523944+1 | 1,060,816 (decimal) | 2018-05-29 04:14:52 UTC | T5K | MEGA Prime Search | 1,422.102 |
| 77469882^131072+1 | 1,034,045 (decimal) | 2020-09-07 04:56:24 UTC | T5K | Generalized Fermat Prime Search | 1,314.840 |
| 74817490^131072+1 | 1,032,062 (decimal) | 2020-05-22 15:18:26 UTC | T5K | Generalized Fermat Prime Search | 1,307.119 |
| 69915032^131072+1 | 1,028,204 (decimal) | 2020-02-16 07:53:54 UTC | T5K | Generalized Fermat Prime Search | 1,292.186 |
| 64024604^131072+1 | 1,023,194 (decimal) | 2019-11-02 05:10:06 UTC | T5K | Generalized Fermat Prime Search | 1,272.965 |
| 60642326^131072+1 | 1,020,104 (decimal) | 2019-06-06 14:24:58 UTC | T5K | Generalized Fermat Prime Search | 1,261.209 |
| 60540024^131072+1 | 1,020,008 (decimal) | 2019-06-03 05:49:52 UTC | T5K | Generalized Fermat Prime Search | 1,260.845 |
| 58447816^131072+1 | 1,018,006 (decimal) | 2019-03-03 03:05:20 UTC | T5K | Generalized Fermat Prime Search | 1,253.267 |
| 58447642^131072+1 | 1,018,006 (decimal) | 2019-03-03 02:51:27 UTC | T5K | Generalized Fermat Prime Search | 1,253.267 |
| 57704312^131072+1 | 1,017,278 (decimal) | 2019-02-20 20:59:18 UTC | T5K | Generalized Fermat Prime Search | 1,250.516 |
| 54032538^131072+1 | 1,013,535 (decimal) | 2018-10-11 09:48:22 UTC | T5K | Generalized Fermat Prime Search | 1,236.455 |
| 51872628^131072+1 | 1,011,213 (decimal) | 2018-06-14 00:55:30 UTC | T5K | Generalized Fermat Prime Search | 1,227.783 |
| 51570250^131072+1 | 1,010,880 (decimal) | 2018-05-28 07:28:47 UTC | T5K | Generalized Fermat Prime Search | 1,226.544 |
| 50495632^131072+1 | 1,009,681 (decimal) | 2018-03-23 04:28:27 UTC | T5K | Generalized Fermat Prime Search | 1,222.087 |
| 50110436^131072+1 | 1,009,245 (decimal) | 2018-03-07 04:19:06 UTC | T5K | Generalized Fermat Prime Search | 1,220.469 |
| 49530004^131072+1 | 1,008,582 (decimal) | 2018-02-20 21:30:50 UTC | T5K | Generalized Fermat Prime Search | 1,218.010 |
| 6959*2^3331365+1 | 1,002,845 (decimal) | 2020-03-02 15:52:04 UTC | T5K | MEGA Prime Search | 1,196.876 |
| 8863*2^3327406+1 | 1,001,653 (decimal) | 2020-01-27 09:19:23 UTC | T5K | MEGA Prime Search | 1,192.518 |
| 3411*2^3327343+1 | 1,001,634 (decimal) | 2020-01-25 20:30:55 UTC | T5K | MEGA Prime Search | 1,192.447 |
| 256612*5^1335485-1 | 933,470 (decimal) | 2013-08-04 17:18:26 UTC | T5K | Sierpinski/Riesel Base 5 Prime Search | 960.547 |
| 9419976^131072+1 | 914,103 (decimal) | 2017-11-15 06:36:34 UTC | T5K | Generalized Fermat Prime Search | 900.696 |
| 9240606^131072+1 | 913,009 (decimal) | 2017-11-09 07:16:51 UTC | T5K | Generalized Fermat Prime Search | 897.391 |
| 11*2^2897409+1 | 872,209 (decimal) | 2013-02-26 17:29:15 UTC | T5K | Proth Prime Search | 779.923 |
| | 11*2^2897409+1 is a Factor of GF(2897408,3)!!!! (37236.290000 seconds)
11*2^2897409+1 is a Factor of xGF(2897408,7,4)!!!! (0.000000 seconds)
11*2^2897409+1 is a Factor of xGF(2897404,11,4)!!!! (14673.800000 seconds)
11*2^2897409+1 is a Factor of xGF(2897408,11,7)!!!! (14673.800000 seconds)
11*2^2897409+1 is a Factor of xGF(2897405,12,7)!!!! (14555.510000 seconds)
11*2^2897409+1 is a Factor of xGF(2897408,12,11)!!!! (14555.510000 seconds)
|
| 1001*2^2794357+1 | 841,189 (decimal) | 2019-07-27 11:03:23 UTC | T5K | Proth Prime Search | 697.889 |
| 1057*2^2792700+1 | 840,690 (decimal) | 2019-07-24 02:59:51 UTC | T5K | Proth Prime Search | 696.620 |
| 923*2^2783153+1 | 837,816 (decimal) | 2019-07-19 19:31:14 UTC | T5K | Proth Prime Search | 689.337 |
| 617*2^2156699+1 | 649,234 (decimal) | 2014-04-23 01:56:47 UTC | T5K | Proth Prime Search | 315.115 |
| 771*2^2115741+1 | 636,905 (decimal) | 2014-04-22 16:35:18 UTC | T5K | Proth Prime Search | 297.100 |
| | 771*2^2115741+1 is a Factor of xGF(2115740,7,5)!!!! (26448.460000 seconds)
|
| 855*2^1768644+1 | 532,418 (decimal) | 2013-03-18 12:54:25 UTC | T5K | Proth Prime Search | 171.365 |
| 89657350^65536+1 | 521,181 (decimal) | 2020-03-03 01:02:30 UTC | T5K | Generalized Fermat Prime Search | 160.497 |
| 75802920^65536+1 | 516,404 (decimal) | 2020-02-04 22:24:09 UTC | T5K | Generalized Fermat Prime Search | 156.021 |
| 55072040^65536+1 | 507,310 (decimal) | 2019-02-19 20:48:30 UTC | T5K | Generalized Fermat Prime Search | 147.735 |
| 50140536^65536+1 | 504,640 (decimal) | 2019-02-06 05:11:18 UTC | T5K | Generalized Fermat Prime Search | 145.360 |
| 1915*2^1486126+1 | 447,372 (decimal) | 2018-03-12 17:30:48 UTC | T5K | Proth Prime Search | 100.402 |
| 1597*2^1485922+1 | 447,311 (decimal) | 2018-03-10 22:38:29 UTC | T5K | Proth Prime Search | 100.360 |
| 7589*2^1485459+1 | 447,172 (decimal) | 2018-03-06 21:59:49 UTC | T5K | Proth Prime Search | 100.264 |
| 5979*2^1484941+1 | 447,016 (decimal) | 2018-03-02 23:29:17 UTC | T5K | Proth Prime Search | 100.157 |
| 2143*2^1484776+1 | 446,966 (decimal) | 2018-03-01 22:07:58 UTC | T5K | Proth Prime Search | 100.123 |
| 6745*2^1484712+1 | 446,947 (decimal) | 2018-03-01 13:14:44 UTC | T5K | Proth Prime Search | 100.110 |
| 5595*2^1483630+1 | 446,621 (decimal) | 2018-02-27 01:16:19 UTC | T5K | Proth Prime Search | 99.886 |
| 3963*2^1480146+1 | 445,572 (decimal) | 2018-02-21 20:06:32 UTC | T5K | Proth Prime Search | 99.167 |
| 2333*2^1479513+1 | 445,382 (decimal) | 2018-02-21 00:13:32 UTC | T5K | Proth Prime Search | 99.036 |
| 3877352^65536+1 | 431,787 (decimal) | 2015-07-03 21:48:17 UTC | T5K | Generalized Fermat Prime Search | 90.039 |
| 99*2^1353457+1 | 407,434 (decimal) | 2011-07-12 00:33:30 UTC | T5K | Proth Prime Search | 75.329 |
| | 99*2^1353457+1 is a Factor of xGF(1353452,11,8)!!!! (3642.438000 seconds)
|
| 5184065764887*2^1290000-1 | 388,342 (decimal) | 2020-04-04 23:37:21 UTC | | Sophie Germain Prime Search | 65.001 |
| 5154966482787*2^1290000-1 | 388,342 (decimal) | 2020-04-04 02:23:52 UTC | | Sophie Germain Prime Search | 65.001 |
| 5075632055835*2^1290000-1 | 388,342 (decimal) | 2020-04-02 14:57:47 UTC | | Sophie Germain Prime Search | 65.001 |
| 5009508786975*2^1290000-1 | 388,342 (decimal) | 2020-03-31 15:18:42 UTC | | Sophie Germain Prime Search | 65.001 |
| 4546108802265*2^1290000-1 | 388,342 (decimal) | 2019-07-05 01:18:02 UTC | | Sophie Germain Prime Search | 65.001 |
| 4545227874855*2^1290000-1 | 388,342 (decimal) | 2019-07-04 13:29:59 UTC | | Sophie Germain Prime Search | 65.001 |
| 4543067300985*2^1290000-1 | 388,342 (decimal) | 2019-07-03 04:44:56 UTC | | Sophie Germain Prime Search | 65.001 |
| 4535000723157*2^1290000-1 | 388,342 (decimal) | 2019-06-28 18:25:25 UTC | | Sophie Germain Prime Search | 65.001 |
| 4532347481007*2^1290000-1 | 388,342 (decimal) | 2019-06-27 17:23:36 UTC | | Sophie Germain Prime Search | 65.001 |
| 4524094170015*2^1290000-1 | 388,342 (decimal) | 2019-06-24 22:16:49 UTC | | Sophie Germain Prime Search | 65.001 |
| 4522558216767*2^1290000-1 | 388,342 (decimal) | 2019-06-24 10:10:48 UTC | | Sophie Germain Prime Search | 65.001 |
| 4521925274097*2^1290000-1 | 388,342 (decimal) | 2019-06-24 05:38:18 UTC | | Sophie Germain Prime Search | 65.001 |
| 4521398777775*2^1290000-1 | 388,342 (decimal) | 2019-06-24 00:35:23 UTC | | Sophie Germain Prime Search | 65.001 |
| 4518964460127*2^1290000-1 | 388,342 (decimal) | 2019-06-23 04:03:14 UTC | | Sophie Germain Prime Search | 65.001 |
| 4518610091385*2^1290000-1 | 388,342 (decimal) | 2019-06-23 00:22:56 UTC | | Sophie Germain Prime Search | 65.001 |
| 4518189510975*2^1290000-1 | 388,342 (decimal) | 2019-06-22 20:25:40 UTC | | Sophie Germain Prime Search | 65.001 |
| 4514788555515*2^1290000-1 | 388,342 (decimal) | 2019-06-21 16:32:57 UTC | | Sophie Germain Prime Search | 65.001 |
| 4505312613597*2^1290000-1 | 388,342 (decimal) | 2019-06-18 04:24:50 UTC | | Sophie Germain Prime Search | 65.001 |
| 4504325195517*2^1290000-1 | 388,342 (decimal) | 2019-06-17 19:36:20 UTC | | Sophie Germain Prime Search | 65.001 |
| 4498779448557*2^1290000-1 | 388,342 (decimal) | 2019-06-15 17:07:46 UTC | | Sophie Germain Prime Search | 65.001 |
| 4498748761197*2^1290000-1 | 388,342 (decimal) | 2019-06-15 16:05:38 UTC | | Sophie Germain Prime Search | 65.001 |
| 4492672668267*2^1290000-1 | 388,342 (decimal) | 2019-06-13 01:20:51 UTC | | Sophie Germain Prime Search | 65.001 |
| 4485560088795*2^1290000-1 | 388,342 (decimal) | 2019-06-09 19:08:38 UTC | | Sophie Germain Prime Search | 65.001 |
| 4483033802775*2^1290000-1 | 388,342 (decimal) | 2019-06-08 13:07:22 UTC | | Sophie Germain Prime Search | 65.001 |
| 4480752875175*2^1290000-1 | 388,342 (decimal) | 2019-06-07 06:53:25 UTC | | Sophie Germain Prime Search | 65.001 |
| 4479802444227*2^1290000-1 | 388,342 (decimal) | 2019-06-06 16:33:48 UTC | | Sophie Germain Prime Search | 65.001 |
| 4477585482597*2^1290000-1 | 388,342 (decimal) | 2019-06-05 09:50:45 UTC | | Sophie Germain Prime Search | 65.001 |
| 4477506419025*2^1290000-1 | 388,342 (decimal) | 2019-06-05 09:00:44 UTC | | Sophie Germain Prime Search | 65.001 |
| 4476436919955*2^1290000-1 | 388,342 (decimal) | 2019-06-04 18:26:13 UTC | | Sophie Germain Prime Search | 65.001 |
| 4473474549255*2^1290000-1 | 388,342 (decimal) | 2019-06-03 03:57:20 UTC | | Sophie Germain Prime Search | 65.001 |
| 4473391051017*2^1290000-1 | 388,342 (decimal) | 2019-06-03 02:32:45 UTC | | Sophie Germain Prime Search | 65.001 |
| 4470983484165*2^1290000-1 | 388,342 (decimal) | 2019-06-01 19:42:19 UTC | | Sophie Germain Prime Search | 65.001 |
| 4431823842255*2^1290000-1 | 388,342 (decimal) | 2019-05-11 21:51:41 UTC | | Sophie Germain Prime Search | 65.001 |
| 4423021365915*2^1290000-1 | 388,342 (decimal) | 2019-05-06 16:02:01 UTC | | Sophie Germain Prime Search | 65.001 |
| 4411955221677*2^1290000-1 | 388,342 (decimal) | 2019-04-29 12:06:54 UTC | | Sophie Germain Prime Search | 65.001 |
| 4409720407407*2^1290000-1 | 388,342 (decimal) | 2019-04-28 07:46:25 UTC | | Sophie Germain Prime Search | 65.001 |
| 4397746797897*2^1290000-1 | 388,342 (decimal) | 2019-04-22 02:18:48 UTC | | Sophie Germain Prime Search | 65.001 |
| 4384549572777*2^1290000-1 | 388,342 (decimal) | 2019-04-14 19:50:09 UTC | | Sophie Germain Prime Search | 65.001 |
| 4381178971185*2^1290000-1 | 388,342 (decimal) | 2019-04-12 05:34:20 UTC | | Sophie Germain Prime Search | 65.001 |
| 4378553031195*2^1290000-1 | 388,342 (decimal) | 2019-04-10 17:11:18 UTC | | Sophie Germain Prime Search | 65.001 |
| 4367779310235*2^1290000-1 | 388,342 (decimal) | 2019-04-05 07:12:49 UTC | | Sophie Germain Prime Search | 65.001 |
| 4359720299907*2^1290000-1 | 388,342 (decimal) | 2019-04-01 19:16:53 UTC | | Sophie Germain Prime Search | 65.001 |
| 4356131268387*2^1290000-1 | 388,342 (decimal) | 2019-03-30 20:12:21 UTC | | Sophie Germain Prime Search | 65.001 |
| 4355132109447*2^1290000-1 | 388,342 (decimal) | 2019-03-30 06:37:50 UTC | | Sophie Germain Prime Search | 65.001 |
| 4352564598375*2^1290000-1 | 388,342 (decimal) | 2019-03-28 23:50:06 UTC | | Sophie Germain Prime Search | 65.001 |
| 4351936046295*2^1290000-1 | 388,342 (decimal) | 2019-03-28 16:41:15 UTC | | Sophie Germain Prime Search | 65.001 |
| 4347054181857*2^1290000-1 | 388,342 (decimal) | 2019-03-26 10:57:23 UTC | | Sophie Germain Prime Search | 65.001 |
| 4343529376527*2^1290000-1 | 388,342 (decimal) | 2019-03-24 07:23:40 UTC | | Sophie Germain Prime Search | 65.001 |
| 4342021551705*2^1290000-1 | 388,342 (decimal) | 2019-03-23 01:14:07 UTC | | Sophie Germain Prime Search | 65.001 |
| 4334590527855*2^1290000-1 | 388,342 (decimal) | 2019-03-16 18:21:56 UTC | | Sophie Germain Prime Search | 65.001 |
| 4331895506937*2^1290000-1 | 388,342 (decimal) | 2019-03-15 01:55:56 UTC | | Sophie Germain Prime Search | 65.001 |
| 4330774451787*2^1290000-1 | 388,342 (decimal) | 2019-03-14 11:16:21 UTC | | Sophie Germain Prime Search | 65.001 |
| 4326706671285*2^1290000-1 | 388,342 (decimal) | 2019-03-12 01:37:09 UTC | | Sophie Germain Prime Search | 65.001 |
| 4326379410267*2^1290000-1 | 388,342 (decimal) | 2019-03-11 20:23:23 UTC | | Sophie Germain Prime Search | 65.001 |
| 3591755633067*2^1290000-1 | 388,342 (decimal) | 2017-07-03 07:32:40 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3591668656287*2^1290000-1 | 388,342 (decimal) | 2017-07-03 06:32:41 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3589825016307*2^1290000-1 | 388,342 (decimal) | 2017-07-02 08:00:59 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3585210553305*2^1290000-1 | 388,342 (decimal) | 2017-06-30 04:09:01 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3583725428547*2^1290000-1 | 388,342 (decimal) | 2017-06-29 10:04:30 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3580402428687*2^1290000-1 | 388,342 (decimal) | 2017-06-27 20:14:27 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3559934856135*2^1290000-1 | 388,342 (decimal) | 2017-06-21 02:34:57 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3558211049727*2^1290000-1 | 388,342 (decimal) | 2017-06-20 15:12:43 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3546391506297*2^1290000-1 | 388,342 (decimal) | 2017-06-17 13:39:00 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3532381706577*2^1290000-1 | 388,342 (decimal) | 2017-06-14 06:29:41 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3529782531525*2^1290000-1 | 388,342 (decimal) | 2017-06-13 19:22:01 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3523596773235*2^1290000-1 | 388,342 (decimal) | 2017-06-12 21:48:05 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 3516524434887*2^1290000-1 | 388,342 (decimal) | 2017-06-12 14:15:45 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2389877645925*2^1290000-1 | 388,342 (decimal) | 2015-12-01 21:50:05 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2387509597107*2^1290000-1 | 388,342 (decimal) | 2015-12-01 03:59:21 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2383455125205*2^1290000-1 | 388,342 (decimal) | 2015-11-28 21:17:54 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2379887245725*2^1290000-1 | 388,342 (decimal) | 2015-11-27 19:53:08 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2370467584845*2^1290000-1 | 388,342 (decimal) | 2015-11-24 00:48:08 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2363944235877*2^1290000-1 | 388,342 (decimal) | 2015-11-20 20:16:37 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 2301722202927*2^1290000-1 | 388,342 (decimal) | 2015-11-16 04:36:02 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 1909546605447*2^1290000-1 | 388,341 (decimal) | 2015-03-11 10:04:19 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1900001531235*2^1290000-1 | 388,341 (decimal) | 2015-03-06 03:45:09 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1896761393817*2^1290000-1 | 388,341 (decimal) | 2015-03-04 22:06:42 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1881114998397*2^1290000-1 | 388,341 (decimal) | 2015-02-26 12:28:21 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 637078553835*2^1290000-1 | 388,341 (decimal) | 2013-06-07 10:51:01 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 120858765657*2^1290000-1 | 388,340 (decimal) | 2012-10-15 16:13:10 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 119117512797*2^1290000-1 | 388,340 (decimal) | 2012-10-14 15:26:16 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 67098088347*2^1290000-1 | 388,340 (decimal) | 2012-09-04 00:01:00 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 4789*2^1085074+1 | 326,644 (decimal) | 2013-04-28 12:44:50 UTC | T5K | Proth Prime Search | 38.193 |
| 4393*2^1075732+1 | 323,832 (decimal) | 2013-04-18 10:42:00 UTC | T5K | Proth Prime Search | 37.191 |
| 4641*2^1051005+1 | 316,388 (decimal) | 2013-03-23 15:54:10 UTC | T5K | Proth Prime Search | 34.625 |
| 75909350^32768+1 | 258,222 (decimal) | 2017-11-23 01:54:10 UTC | | Generalized Fermat Prime Search | 18.541 |
| 69187606^32768+1 | 256,903 (decimal) | 2017-11-17 18:00:08 UTC | | Generalized Fermat Prime Search | 18.251 |
| 67799868^32768+1 | 256,614 (decimal) | 2017-11-16 18:46:23 UTC | | Generalized Fermat Prime Search | 18.188 |
| 66794266^32768+1 | 256,402 (decimal) | 2017-11-15 00:03:45 UTC | | Generalized Fermat Prime Search | 18.142 |
| 64365734^32768+1 | 255,874 (decimal) | 2017-11-05 18:54:46 UTC | | Generalized Fermat Prime Search | 18.027 |
| 393*2^816693+1 | 245,852 (decimal) | 2011-02-12 23:30:10 UTC | T5K | Proth Prime Search | 15.943 |
| 743*2^810001+1 | 243,838 (decimal) | 2011-02-12 22:33:26 UTC | T5K | Proth Prime Search | 15.544 |
| 775*2^793876+1 | 238,984 (decimal) | 2011-02-12 14:57:38 UTC | T5K | Proth Prime Search | 14.612 |
| 431*2^720583+1 | 216,920 (decimal) | 2010-02-16 00:16:13 UTC | T5K | Proth Prime Search | 10.847 |
| 6507*2^678660+1 | 204,301 (decimal) | 2011-08-22 23:01:57 UTC | T5K | Proth Prime Search | 9.021 |
| 4317494060535*2^666669-1 | 200,701 (decimal) | | | Sophie Germain Prime Search | 8.540 |
| 8625997802205*2^666668-1 | 200,701 (decimal) | | | Sophie Germain Prime Search | 8.540 |
| 12227150254605*2^666667-1 | 200,700 (decimal) | 2011-09-17 20:57:58 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 24269741414565*2^666666-1 | 200,700 (decimal) | 2011-09-23 13:16:18 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 12066358192755*2^666667-1 | 200,700 (decimal) | 2011-09-20 13:51:04 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 11612260283685*2^666667-1 | 200,700 (decimal) | 2011-08-14 02:47:24 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 22976812902585*2^666666-1 | 200,700 (decimal) | 2011-08-22 23:46:00 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 22943570879925*2^666666-1 | 200,700 (decimal) | 2011-08-22 01:13:53 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 5706997016115*2^666668-1 | 200,700 (decimal) | 2011-08-05 15:08:21 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 5643042526905*2^666668-1 | 200,700 (decimal) | 2011-08-05 15:07:47 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 5630593326645*2^666668-1 | 200,700 (decimal) | 2011-08-05 15:07:12 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 21810323312895*2^666666-1 | 200,700 (decimal) | 2011-08-01 23:07:26 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3799519216185*2^666667-1 | 200,700 (decimal) | 2010-08-15 17:06:57 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3586602445305*2^666667-1 | 200,700 (decimal) | 2010-09-09 11:27:22 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3570478559115*2^666667-1 | 200,700 (decimal) | 2010-09-09 11:27:22 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3569211661455*2^666667-1 | 200,700 (decimal) | 2010-09-09 11:27:22 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3564645592305*2^666667-1 | 200,700 (decimal) | 2010-09-09 11:27:22 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3486703432065*2^666667-1 | 200,700 (decimal) | 2010-09-08 14:39:03 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3411271552365*2^666667-1 | 200,700 (decimal) | 2010-09-08 13:28:29 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3385887773385*2^666667-1 | 200,700 (decimal) | 2010-09-08 13:28:29 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 6501291081705*2^666666-1 | 200,700 (decimal) | 2010-09-12 03:07:44 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 1596020575845*2^666668-1 | 200,700 (decimal) | 2010-09-15 21:27:16 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 777849577515*2^666669-1 | 200,700 (decimal) | 2010-06-11 13:27:50 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 3939*2^648522+1 | 195,229 (decimal) | 2011-02-25 19:08:38 UTC | T5K | Proth Prime Search | 7.844 |
| 2211*2^644735+1 | 194,088 (decimal) | 2011-02-19 21:22:47 UTC | T5K | Proth Prime Search | 7.704 |
| 9305*2^643841+1 | 193,820 (decimal) | 2011-02-18 13:46:14 UTC | T5K | Proth Prime Search | 7.671 |
| 9309*2^555526+1 | 167,234 (decimal) | 2010-10-09 18:44:26 UTC | T5K | Proth Prime Search | 4.872 |
| 1275*2^552191+1 | 166,230 (decimal) | 2010-09-30 04:21:41 UTC | T5K | Proth Prime Search | 4.782 |
| 9701*2^549757+1 | 165,498 (decimal) | 2010-09-21 00:33:59 UTC | T5K | Proth Prime Search | 4.718 |
| 7677*2^549198+1 | 165,329 (decimal) | 2010-09-19 03:41:48 UTC | T5K | Proth Prime Search | 4.703 |
| 8523*2^547736+1 | 164,889 (decimal) | 2010-09-09 16:30:30 UTC | T5K | Proth Prime Search | 4.665 |
| 4257*2^471583+1 | 141,965 (decimal) | 2009-10-07 23:11:03 UTC | T5K | Proth Prime Search | 2.942 |
| 12650787279*2^333333-1 | 100,354 (decimal) | 2007-06-25 17:01:29 UTC | T5K | Twin Prime Search | 1.011 |
| 9538070775*2^333333-1 | 100,354 (decimal) | 2007-06-06 21:44:13 UTC | T5K | Twin Prime Search | 1.011 |
| 8222221551*2^333333-1 | 100,354 (decimal) | 2007-05-23 22:14:59 UTC | T5K | Twin Prime Search | 1.011 |
| 7645685775*2^333333-1 | 100,354 (decimal) | 2007-05-23 22:14:59 UTC | T5K | Twin Prime Search | 1.011 |
| 3239807961*2^333333-1 | 100,353 (decimal) | 2007-04-04 17:32:11 UTC | T5K | Twin Prime Search | 1.011 |
| 2876300859*2^333333-1 | 100,353 (decimal) | 2007-04-04 17:32:11 UTC | T5K | Twin Prime Search | 1.011 |
| 2585359731*2^333333-1 | 100,353 (decimal) | 2007-04-09 20:54:49 UTC | T5K | Twin Prime Search | 1.011 |
| 2396259009*2^333333-1 | 100,353 (decimal) | 2007-03-25 20:39:07 UTC | T5K | Twin Prime Search | 1.011 |
| 2359293531*2^333333-1 | 100,353 (decimal) | 2007-03-25 20:39:07 UTC | T5K | Twin Prime Search | 1.011 |
| 1483008021*2^333333-1 | 100,353 (decimal) | 2007-03-05 16:45:16 UTC | T5K | Twin Prime Search | 1.011 |
Doublechecker
(dates are of initial discovery, not the double check date) |
|---|
| 398023*2^6418059-1 | 1,932,034 (decimal) | 2013-10-05 19:06:07 UTC | T5K, official announcement | The Riesel Problem | 4,470.705 |
| 81556*5^2539960+1 | 1,775,361 (decimal) | 2018-06-20 06:35:42 UTC | T5K, official announcement | Sierpinski/Riesel Base 5 Prime Search | 3,449.735 |
| 3673932^262144+1 | 1,721,010 (decimal) | 2017-12-03 06:30:24 UTC | T5K, official announcement | Generalized Fermat Prime Search | 3,136.086 |
| 74833516^131072+1 | 1,032,074 (decimal) | 2020-05-23 05:03:11 UTC | T5K | Generalized Fermat Prime Search | 653.583 |
| 68918852^131072+1 | 1,027,387 (decimal) | 2020-02-09 12:26:57 UTC | T5K | Generalized Fermat Prime Search | 644.520 |
| 65305572^131072+1 | 1,024,322 (decimal) | 2019-12-01 11:17:46 UTC | T5K | Generalized Fermat Prime Search | 638.637 |
| 64476916^131072+1 | 1,023,595 (decimal) | 2019-11-11 19:48:07 UTC | T5K | Generalized Fermat Prime Search | 637.248 |
| 1093*2^3378000+1 | 1,016,883 (decimal) | 2017-03-14 09:23:13 UTC | T5K, official announcement | MEGA Prime Search | 624.514 |
| 54334044^131072+1 | 1,013,852 (decimal) | 2018-11-01 10:53:06 UTC | T5K | Generalized Fermat Prime Search | 618.820 |
| 52412612^131072+1 | 1,011,802 (decimal) | 2018-07-18 05:46:44 UTC | T5K | Generalized Fermat Prime Search | 614.990 |
| 50055102^131072+1 | 1,009,183 (decimal) | 2018-03-05 06:26:44 UTC | T5K | Generalized Fermat Prime Search | 610.118 |
| 2121*2^3323852+1 | 1,000,583 (decimal) | 2019-09-02 13:11:25 UTC | T5K | MEGA Prime Search | 594.306 |
| 1717162^131072+1 | 817,210 (decimal) | 2015-11-10 05:53:12 UTC | T5K | Generalized Fermat Prime Search | 319.307 |
| 73*2^2048754+1 | 616,739 (decimal) | | | Proth Prime Search | 134.576 |
| 74581688^65536+1 | 515,941 (decimal) | 2020-02-02 15:52:47 UTC | T5K | Generalized Fermat Prime Search | 77.796 |
| 69*2^1595083+1 | 480,170 (decimal) | 2011-07-24 06:50:23 UTC | T5K | Proth Prime Search | 62.389 |
| | 69*2^1595083+1 is a Factor of xGF(1595082,8,5)!!!! (11942.797000 seconds)
|
| 6101*2^1485709+1 | 447,247 (decimal) | 2018-03-09 03:53:15 UTC | T5K | Proth Prime Search | 50.158 |
| 5963*2^1484317+1 | 446,828 (decimal) | 2018-02-28 07:31:50 UTC | T5K | Proth Prime Search | 50.014 |
| 5170630638885*2^1290000-1 | 388,342 (decimal) | 2020-04-04 11:01:33 UTC | | Sophie Germain Prime Search | 32.500 |
| 5138951017125*2^1290000-1 | 388,342 (decimal) | 2020-04-03 20:14:37 UTC | | Sophie Germain Prime Search | 32.500 |
| 5128932415197*2^1290000-1 | 388,342 (decimal) | 2020-04-03 16:29:27 UTC | | Sophie Germain Prime Search | 32.500 |
| 4540486653657*2^1290000-1 | 388,342 (decimal) | 2019-07-01 15:44:22 UTC | | Sophie Germain Prime Search | 32.500 |
| 4536468004785*2^1290000-1 | 388,342 (decimal) | 2019-06-29 10:09:06 UTC | | Sophie Germain Prime Search | 32.500 |
| 4533430265595*2^1290000-1 | 388,342 (decimal) | 2019-06-28 04:04:45 UTC | | Sophie Germain Prime Search | 32.500 |
| 4522028900265*2^1290000-1 | 388,342 (decimal) | 2019-06-24 06:31:05 UTC | | Sophie Germain Prime Search | 32.500 |
| 4519599918507*2^1290000-1 | 388,342 (decimal) | 2019-06-23 09:52:38 UTC | | Sophie Germain Prime Search | 32.500 |
| 4514282937645*2^1290000-1 | 388,342 (decimal) | 2019-06-21 12:24:01 UTC | | Sophie Germain Prime Search | 32.500 |
| 4504218080157*2^1290000-1 | 388,342 (decimal) | 2019-06-17 19:13:34 UTC | | Sophie Germain Prime Search | 32.500 |
| 4499589609237*2^1290000-1 | 388,342 (decimal) | 2019-06-16 00:08:10 UTC | | Sophie Germain Prime Search | 32.500 |
| 4494878915655*2^1290000-1 | 388,342 (decimal) | 2019-06-14 00:35:53 UTC | | Sophie Germain Prime Search | 32.500 |
| 4494357153405*2^1290000-1 | 388,342 (decimal) | 2019-06-13 18:46:18 UTC | | Sophie Germain Prime Search | 32.500 |
| 4490957954637*2^1290000-1 | 388,342 (decimal) | 2019-06-12 07:02:19 UTC | | Sophie Germain Prime Search | 32.500 |
| 4473951494775*2^1290000-1 | 388,342 (decimal) | 2019-06-03 10:49:28 UTC | | Sophie Germain Prime Search | 32.500 |
| 4473814735815*2^1290000-1 | 388,342 (decimal) | 2019-06-03 09:20:12 UTC | | Sophie Germain Prime Search | 32.500 |
| 4452149256915*2^1290000-1 | 388,342 (decimal) | 2019-05-19 16:12:54 UTC | | Sophie Germain Prime Search | 32.500 |
| 4452015070995*2^1290000-1 | 388,342 (decimal) | 2019-05-19 15:01:47 UTC | | Sophie Germain Prime Search | 32.500 |
| 4425736524597*2^1290000-1 | 388,342 (decimal) | 2019-05-08 07:59:48 UTC | | Sophie Germain Prime Search | 32.500 |
| 4417004690667*2^1290000-1 | 388,342 (decimal) | 2019-05-02 17:57:31 UTC | | Sophie Germain Prime Search | 32.500 |
| 4416565054515*2^1290000-1 | 388,342 (decimal) | 2019-05-02 12:06:52 UTC | | Sophie Germain Prime Search | 32.500 |
| 4414432914675*2^1290000-1 | 388,342 (decimal) | 2019-05-01 00:52:25 UTC | | Sophie Germain Prime Search | 32.500 |
| 4400914701297*2^1290000-1 | 388,342 (decimal) | 2019-04-23 19:49:35 UTC | | Sophie Germain Prime Search | 32.500 |
| 4400021673045*2^1290000-1 | 388,342 (decimal) | 2019-04-23 06:23:48 UTC | | Sophie Germain Prime Search | 32.500 |
| 4379039089407*2^1290000-1 | 388,342 (decimal) | 2019-04-11 00:48:59 UTC | | Sophie Germain Prime Search | 32.500 |
| 4342619651835*2^1290000-1 | 388,342 (decimal) | 2019-03-23 12:41:05 UTC | | Sophie Germain Prime Search | 32.500 |
| 4342343796327*2^1290000-1 | 388,342 (decimal) | 2019-03-23 07:31:51 UTC | | Sophie Germain Prime Search | 32.500 |
| 4339858327467*2^1290000-1 | 388,342 (decimal) | 2019-03-21 09:38:14 UTC | | Sophie Germain Prime Search | 32.500 |
| 3598121770917*2^1290000-1 | 388,342 (decimal) | 2017-07-06 07:44:56 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3568365666057*2^1290000-1 | 388,342 (decimal) | 2017-06-23 04:30:45 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3548490563007*2^1290000-1 | 388,342 (decimal) | 2017-06-18 04:15:22 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3545690415267*2^1290000-1 | 388,342 (decimal) | 2017-06-17 09:08:50 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3541360124265*2^1290000-1 | 388,342 (decimal) | 2017-06-16 06:19:45 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3506581018167*2^1290000-1 | 388,342 (decimal) | 2017-06-12 04:01:00 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3072886665945*2^1290000-1 | 388,342 (decimal) | 2016-10-04 14:53:32 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 2381862701937*2^1290000-1 | 388,342 (decimal) | 2015-11-27 23:01:35 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 2381739684417*2^1290000-1 | 388,342 (decimal) | 2015-11-29 17:07:25 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 2358461593455*2^1290000-1 | 388,342 (decimal) | 2015-11-18 13:05:51 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 2301760531185*2^1290000-1 | 388,342 (decimal) | 2015-11-15 12:22:51 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1880930133507*2^1290000-1 | 388,341 (decimal) | 2015-02-26 06:22:33 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1856925167925*2^1290000-1 | 388,341 (decimal) | 2015-02-19 15:47:32 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1640586128925*2^1290000-1 | 388,341 (decimal) | 2014-12-06 03:35:32 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 708551718957*2^1290000-1 | 388,341 (decimal) | 2013-07-12 05:48:08 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 67157081175*2^1290000-1 | 388,340 (decimal) | 2012-09-03 19:52:43 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 57670269765*2^1290000-1 | 388,340 (decimal) | 2012-08-26 13:45:41 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 19793417607*2^1290000-1 | 388,339 (decimal) | 2012-08-06 00:00:04 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 11211544347*2^1290000-1 | 388,339 (decimal) | 2012-07-27 07:48:34 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 9555*2^1067755+1 | 321,431 (decimal) | 2013-06-06 10:21:54 UTC | T5K | Proth Prime Search | 18.175 |
| 72517714^32768+1 | 257,572 (decimal) | 2017-11-19 08:48:36 UTC | | Generalized Fermat Prime Search | 9.199 |
| 69945900^32768+1 | 257,058 (decimal) | 2017-11-18 02:42:39 UTC | | Generalized Fermat Prime Search | 9.142 |
| 79*2^812726+1 | 244,657 (decimal) | | | Proth Prime Search | 7.853 |
| 165*2^758432+1 | 228,313 (decimal) | 2010-02-18 04:04:27 UTC | T5K | Proth Prime Search | 6.348 |
| 5917*2^706782+1 | 212,767 (decimal) | 2011-09-05 21:48:43 UTC | T5K | Proth Prime Search | 5.110 |
| 8489*2^705255+1 | 212,307 (decimal) | 2011-09-04 23:25:30 UTC | T5K | Proth Prime Search | 5.077 |
| 9083*2^704113+1 | 211,964 (decimal) | 2011-09-04 17:23:20 UTC | T5K | Proth Prime Search | 5.051 |
| 9185*2^703121+1 | 211,665 (decimal) | 2011-09-04 14:13:25 UTC | T5K | Proth Prime Search | 5.029 |
| 1809*2^701847+1 | 211,281 (decimal) | 2011-09-03 22:42:11 UTC | T5K | Proth Prime Search | 5.001 |
| 2152202723775*2^666670-1 | 200,701 (decimal) | | | Sophie Germain Prime Search | 4.270 |
| 4255508532945*2^666669-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
| 33466946881905*2^666666-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
| 33108590817195*2^666666-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
| 12167998581795*2^666667-1 | 200,700 (decimal) | 2011-09-17 01:38:06 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 6065814103215*2^666668-1 | 200,700 (decimal) | 2011-09-17 13:40:16 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 23270709528465*2^666666-1 | 200,700 (decimal) | 2011-09-03 02:13:27 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 3556185628785*2^666667-1 | 200,700 (decimal) | 2010-09-09 11:22:02 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 3493540949085*2^666667-1 | 200,700 (decimal) | 2010-09-08 14:19:58 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 3344528240835*2^666667-1 | 200,700 (decimal) | 2010-09-08 13:23:37 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 6541009618125*2^666666-1 | 200,700 (decimal) | 2010-09-12 03:09:00 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 3267861355065*2^666667-1 | 200,700 (decimal) | 2010-09-08 13:19:11 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 6422406009855*2^666666-1 | 200,700 (decimal) | 2010-10-13 04:26:31 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 6415393659885*2^666666-1 | 200,700 (decimal) | 2010-09-12 04:48:36 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 3142615996065*2^666667-1 | 200,700 (decimal) | 2010-09-05 05:40:18 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 6265039273995*2^666666-1 | 200,700 (decimal) | 2010-09-12 21:28:13 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 3657671910105*2^666666-1 | 200,700 (decimal) | 2010-09-07 20:51:00 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 6371*2^643699+1 | 193,777 (decimal) | 2011-02-25 22:53:16 UTC | T5K | Proth Prime Search | 3.833 |
| 7967*2^641359+1 | 193,073 (decimal) | 2011-02-16 13:19:57 UTC | T5K | Proth Prime Search | 3.790 |
| 8697*2^621972+1 | 187,237 (decimal) | 2011-02-03 01:23:23 UTC | T5K | Proth Prime Search | 3.449 |
| 5781*2^621904+1 | 187,216 (decimal) | 2011-02-03 01:28:29 UTC | T5K | Proth Prime Search | 3.448 |
| 351*2^588325+1 | 177,107 (decimal) | 2009-03-17 18:48:22 UTC | T5K | Proth Prime Search | 2.906 |
| | 351*2^588325+1 is a Factor of GF(588323,6)!!!! (1414.891000 seconds)
|
| 6553*2^550606+1 | 165,753 (decimal) | 2010-09-22 07:32:32 UTC | T5K | Proth Prime Search | 2.370 |
| | 6553*2^550606+1 is a Factor of xGF(550605,4,3)!!!! (2577.141000 seconds)
|
| 9805*2^549220+1 | 165,336 (decimal) | 2010-09-19 10:28:44 UTC | T5K | Proth Prime Search | 2.352 |
| 8661*2^548207+1 | 165,031 (decimal) | 2010-09-13 04:57:42 UTC | T5K | Proth Prime Search | 2.338 |
| 6821*2^547761+1 | 164,897 (decimal) | 2010-09-10 02:40:50 UTC | T5K | Proth Prime Search | 2.333 |
| 1731*2^547132+1 | 164,707 (decimal) | 2010-09-11 03:47:05 UTC | T5K | Proth Prime Search | 2.324 |
| 5385*2^532177+1 | 160,205 (decimal) | 2010-07-26 22:04:42 UTC | T5K | Proth Prime Search | 2.134 |
| 5765622915*2^333333-1 | 100,353 (decimal) | 2007-05-05 21:20:01 UTC | T5K | Twin Prime Search | 0.505 |
| 5734108341*2^333333-1 | 100,353 (decimal) | 2007-05-05 11:50:55 UTC | T5K | Twin Prime Search | 0.505 |
| 5351750715*2^333333-1 | 100,353 (decimal) | 2007-05-18 22:56:10 UTC | T5K | Twin Prime Search | 0.505 |
| 4260106095*2^333333-1 | 100,353 (decimal) | 2007-04-23 12:29:22 UTC | T5K | Twin Prime Search | 0.505 |
| 3712733169*2^333333-1 | 100,353 (decimal) | 2007-04-20 04:51:28 UTC | T5K | Twin Prime Search | 0.505 |
| 3251648025*2^333333-1 | 100,353 (decimal) | 2007-04-05 10:10:14 UTC | T5K | Twin Prime Search | 0.505 |
| 3106796121*2^333333-1 | 100,353 (decimal) | 2007-04-02 19:34:55 UTC | T5K | Twin Prime Search | 0.505 |
| 2168343699*2^333333-1 | 100,353 (decimal) | 2007-03-26 08:16:54 UTC | T5K | Twin Prime Search | 0.505 |
| 1412907141*2^333333-1 | 100,353 (decimal) | 2007-03-05 07:19:03 UTC | T5K | Twin Prime Search | 0.505 |
