| Prime | Digits | Date | Links | Subproject | Prime Score |
|---|
| Initial finder |
|---|
| 951*2^2674564+1 | 805,127 (decimal) | 2018-11-06 10:56:24 UTC | T5K | Proth Prime Search | 610.075 |
| 617*2^2485919+1 | 748,339 (decimal) | 2017-05-18 23:47:11 UTC | T5K | Proth Prime Search | 487.392 |
| 97610728^65536+1 | 523,600 (decimal) | 2020-10-07 14:06:37 UTC | T5K | Generalized Fermat Prime Search | 162.796 |
| 79*2^1592422+1 | 479,369 (decimal) | 2011-07-24 06:46:58 UTC | T5K | Proth Prime Search | 124.139 |
| | 79*2^1592422+1 is a Factor of xGF(1592421,4,3)!!!! (11877.250000 seconds)
79*2^1592422+1 is a Factor of xGF(1592421,11,5)!!!! (0.016000 seconds)
|
| 15948188^65536+1 | 472,037 (decimal) | 2016-11-18 05:10:07 UTC | T5K | Generalized Fermat Prime Search | 118.399 |
| 2459*2^1442271+1 | 434,171 (decimal) | 2017-02-25 05:37:40 UTC | T5K | Proth Prime Search | 91.575 |
| 8899*2^1424382+1 | 428,786 (decimal) | 2016-10-21 02:05:58 UTC | T5K | Proth Prime Search | 88.131 |
| 5772013364925*2^1290000-1 | 388,342 (decimal) | 2020-12-09 03:32:58 UTC | | Sophie Germain Prime Search | 65.001 |
| 5748814502007*2^1290000-1 | 388,342 (decimal) | 2020-11-30 11:05:36 UTC | | Sophie Germain Prime Search | 65.001 |
| 5717506646535*2^1290000-1 | 388,342 (decimal) | 2020-11-15 08:48:15 UTC | | Sophie Germain Prime Search | 65.001 |
| 5717414282697*2^1290000-1 | 388,342 (decimal) | 2020-11-15 15:27:11 UTC | | Sophie Germain Prime Search | 65.001 |
| 5674288926267*2^1290000-1 | 388,342 (decimal) | 2020-10-29 08:46:32 UTC | | Sophie Germain Prime Search | 65.001 |
| 5646834379587*2^1290000-1 | 388,342 (decimal) | 2020-10-16 07:12:52 UTC | | Sophie Germain Prime Search | 65.001 |
| 4971628734627*2^1290000-1 | 388,342 (decimal) | 2020-03-22 14:37:34 UTC | | Sophie Germain Prime Search | 65.001 |
| 4943227265805*2^1290000-1 | 388,342 (decimal) | 2020-03-07 17:13:47 UTC | | Sophie Germain Prime Search | 65.001 |
| 4857991827297*2^1290000-1 | 388,342 (decimal) | 2020-01-16 19:50:53 UTC | | Sophie Germain Prime Search | 65.001 |
| 4854894987705*2^1290000-1 | 388,342 (decimal) | 2020-01-15 12:06:04 UTC | | Sophie Germain Prime Search | 65.001 |
| 4841936833107*2^1290000-1 | 388,342 (decimal) | 2020-01-10 16:10:37 UTC | | Sophie Germain Prime Search | 65.001 |
| 4669445208717*2^1290000-1 | 388,342 (decimal) | 2019-10-10 01:41:33 UTC | | Sophie Germain Prime Search | 65.001 |
| 4667154615387*2^1290000-1 | 388,342 (decimal) | 2019-10-09 01:32:31 UTC | | Sophie Germain Prime Search | 65.001 |
| 4666511569377*2^1290000-1 | 388,342 (decimal) | 2019-10-08 17:28:10 UTC | | Sophie Germain Prime Search | 65.001 |
| 3769356340755*2^1290000-1 | 388,342 (decimal) | 2017-10-25 20:12:14 UTC | | Sophie Germain Prime Search | 65.001 |
| 3750844144887*2^1290000-1 | 388,342 (decimal) | 2017-10-12 23:37:30 UTC | | Sophie Germain Prime Search | 65.001 |
| 3739830693027*2^1290000-1 | 388,342 (decimal) | 2017-10-03 11:05:47 UTC | | Sophie Germain Prime Search | 65.001 |
| 3720299748165*2^1290000-1 | 388,342 (decimal) | 2017-09-17 04:36:46 UTC | | Sophie Germain Prime Search | 65.001 |
| 3270340627557*2^1290000-1 | 388,342 (decimal) | 2017-02-03 22:50:02 UTC | T5K | Sophie Germain Prime Search | 65.001 |
| 1942827456225*2^1290000-1 | 388,341 (decimal) | 2015-04-04 03:54:30 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1267113304917*2^1290000-1 | 388,341 (decimal) | 2014-02-18 15:44:34 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1238483555445*2^1290000-1 | 388,341 (decimal) | 2014-02-04 13:52:03 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1202862502935*2^1290000-1 | 388,341 (decimal) | 2014-01-15 13:06:00 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1140774031707*2^1290000-1 | 388,341 (decimal) | 2013-12-22 09:02:23 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1104368190285*2^1290000-1 | 388,341 (decimal) | 2013-12-03 11:49:52 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 1091894647917*2^1290000-1 | 388,341 (decimal) | 2013-11-26 14:51:32 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 832280598765*2^1290000-1 | 388,341 (decimal) | 2013-08-13 11:26:33 UTC | T5K | Sophie Germain Prime Search | 65.000 |
| 7179*2^1182373+1 | 355,934 (decimal) | 2013-10-18 18:07:06 UTC | T5K | Proth Prime Search | 49.729 |
| 733*2^1093762+1 | 329,259 (decimal) | 2011-09-24 06:34:43 UTC | T5K | Proth Prime Search | 39.140 |
| 5125*2^1081264+1 | 325,497 (decimal) | 2013-04-23 10:02:22 UTC | T5K | Proth Prime Search | 37.782 |
| 5831*2^958743+1 | 288,615 (decimal) | 2012-08-03 21:39:28 UTC | T5K | Proth Prime Search | 26.105 |
| 2045*2^938887+1 | 282,637 (decimal) | 2012-07-10 23:58:48 UTC | T5K | Proth Prime Search | 24.478 |
| 5977*2^927880+1 | 279,324 (decimal) | 2012-07-01 13:19:50 UTC | T5K | Proth Prime Search | 23.606 |
| 7431*2^925740+1 | 278,680 (decimal) | 2012-06-30 23:55:21 UTC | T5K | Proth Prime Search | 23.439 |
| 8265*2^923580+1 | 278,030 (decimal) | 2012-06-28 17:31:49 UTC | T5K | Proth Prime Search | 23.272 |
| 611*2^860287+1 | 258,975 (decimal) | 2011-05-04 01:28:39 UTC | T5K | Proth Prime Search | 18.708 |
| 7361*2^845617+1 | 254,560 (decimal) | 2012-04-28 14:07:27 UTC | T5K | Proth Prime Search | 17.744 |
| 2967*2^795088+1 | 239,349 (decimal) | 2012-03-15 15:55:21 UTC | T5K | Proth Prime Search | 14.681 |
| 8499*2^782021+1 | 235,416 (decimal) | 2012-03-03 05:34:53 UTC | T5K | Proth Prime Search | 13.952 |
| 3635*2^677829+1 | 204,051 (decimal) | 2011-08-22 00:27:24 UTC | T5K | Proth Prime Search | 8.987 |
| 27673363059375*2^666666-1 | 200,700 (decimal) | 2011-11-10 21:26:03 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 12712416847515*2^666667-1 | 200,700 (decimal) | 2011-10-13 12:12:09 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 22082372056545*2^666666-1 | 200,700 (decimal) | 2011-08-16 19:04:09 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 2710299538215*2^666669-1 | 200,700 (decimal) | 2011-07-10 23:52:54 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 10373382828675*2^666667-1 | 200,700 (decimal) | 2011-06-21 11:38:40 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 20439161861265*2^666666-1 | 200,700 (decimal) | 2011-07-11 00:16:08 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 6811356247575*2^666667-1 | 200,700 (decimal) | 2011-02-23 13:43:11 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 11545052690505*2^666666-1 | 200,700 (decimal) | 2010-12-17 20:40:55 UTC | T5K | Sophie Germain Prime Search | 8.540 |
| 8515*2^595208+1 | 179,180 (decimal) | 2010-12-22 17:40:05 UTC | T5K | Proth Prime Search | 6.024 |
| 6081*2^591457+1 | 178,051 (decimal) | 2010-12-13 21:13:49 UTC | T5K | Proth Prime Search | 5.908 |
| 1929*2^589502+1 | 177,462 (decimal) | 2010-12-07 20:59:53 UTC | T5K | Proth Prime Search | 5.848 |
| 6697*2^588558+1 | 177,178 (decimal) | 2010-12-04 16:33:36 UTC | T5K | Proth Prime Search | 5.820 |
| 1527*2^582256+1 | 175,280 (decimal) | 2010-11-18 21:16:09 UTC | T5K | Proth Prime Search | 5.630 |
Doublechecker
(dates are of initial discovery, not the double check date) |
|---|
| 641*2^3464061+1 | 1,042,790 (decimal) | 2018-02-01 09:03:35 UTC | T5K | MEGA Prime Search | 674.627 |
| 46385310^131072+1 | 1,004,848 (decimal) | 2017-05-31 09:22:45 UTC | T5K, official announcement | Generalized Fermat Prime Search | 602.113 |
| 753*2^2844700+1 | 856,343 (decimal) | 2020-02-11 04:09:53 UTC | T5K | Proth Prime Search | 368.600 |
| 539*2^2664603+1 | 802,129 (decimal) | 2018-10-04 08:40:57 UTC | T5K | Proth Prime Search | 301.564 |
| 371*2^2651663+1 | 798,233 (decimal) | 2018-09-03 12:09:21 UTC | T5K | Proth Prime Search | 297.091 |
| 505*2^2649496+1 | 797,581 (decimal) | 2018-08-31 12:34:12 UTC | T5K | Proth Prime Search | 296.347 |
| 1027*2^2638186+1 | 794,177 (decimal) | 2018-08-16 13:04:02 UTC | T5K | Proth Prime Search | 292.482 |
| 777*2^2492560+1 | 750,339 (decimal) | 2017-06-10 01:01:26 UTC | T5K | Proth Prime Search | 245.700 |
| 879*2^2491342+1 | 749,972 (decimal) | 2017-06-06 08:04:51 UTC | T5K | Proth Prime Search | 245.332 |
| 3267*2^2173170+1 | 654,193 (decimal) | 2019-09-09 10:49:16 UTC | T5K | Fermat Divisor Prime Search | 161.282 |
| 97789752^65536+1 | 523,652 (decimal) | 2020-10-11 15:05:16 UTC | T5K | Generalized Fermat Prime Search | 81.423 |
| 92966428^65536+1 | 522,213 (decimal) | 2020-05-15 01:43:52 UTC | T5K | Generalized Fermat Prime Search | 80.737 |
| 64008220^65536+1 | 511,590 (decimal) | 2019-07-09 17:35:26 UTC | T5K | Generalized Fermat Prime Search | 75.798 |
| 63827844^65536+1 | 511,510 (decimal) | 2019-07-05 05:52:33 UTC | T5K | Generalized Fermat Prime Search | 75.762 |
| 61754924^65536+1 | 510,570 (decimal) | 2019-05-07 10:07:16 UTC | T5K | Generalized Fermat Prime Search | 75.335 |
| 59214242^65536+1 | 509,374 (decimal) | 2019-03-22 08:03:24 UTC | T5K | Generalized Fermat Prime Search | 74.795 |
| 59071146^65536+1 | 509,305 (decimal) | 2019-03-19 11:30:57 UTC | T5K | Generalized Fermat Prime Search | 74.764 |
| 59015944^65536+1 | 509,279 (decimal) | 2019-03-18 13:29:32 UTC | T5K | Generalized Fermat Prime Search | 74.752 |
| 58838172^65536+1 | 509,193 (decimal) | 2019-03-15 21:26:40 UTC | T5K | Generalized Fermat Prime Search | 74.713 |
| 28027008^65536+1 | 488,085 (decimal) | 2017-12-03 13:45:56 UTC | T5K | Generalized Fermat Prime Search | 65.602 |
| 26916240^65536+1 | 486,934 (decimal) | 2017-11-14 02:15:43 UTC | T5K | Generalized Fermat Prime Search | 65.128 |
| 8993*2^1423933+1 | 428,651 (decimal) | 2016-10-13 06:10:14 UTC | T5K | Proth Prime Search | 44.023 |
| 555*2^1422674+1 | 428,271 (decimal) | 2012-01-29 03:51:39 UTC | T5K | Proth Prime Search | 43.903 |
| | 555*2^1422674+1 is a Factor of xGF(1422672,7,3)!!!! (7818.672000 seconds)
|
| 5839774123227*2^1290000-1 | 388,342 (decimal) | 2021-01-01 23:07:00 UTC | | Sophie Germain Prime Search | 32.500 |
| 5815976144025*2^1290000-1 | 388,342 (decimal) | 2020-12-25 04:10:20 UTC | | Sophie Germain Prime Search | 32.500 |
| 5784624799065*2^1290000-1 | 388,342 (decimal) | 2020-12-13 13:21:57 UTC | | Sophie Germain Prime Search | 32.500 |
| 5759526752457*2^1290000-1 | 388,342 (decimal) | 2020-12-04 03:50:36 UTC | | Sophie Germain Prime Search | 32.500 |
| 5717028320547*2^1290000-1 | 388,342 (decimal) | 2020-11-14 23:04:57 UTC | | Sophie Germain Prime Search | 32.500 |
| 5670583861815*2^1290000-1 | 388,342 (decimal) | 2020-10-27 12:43:35 UTC | | Sophie Germain Prime Search | 32.500 |
| 5669049079977*2^1290000-1 | 388,342 (decimal) | 2020-10-26 22:41:24 UTC | | Sophie Germain Prime Search | 32.500 |
| 5668570642215*2^1290000-1 | 388,342 (decimal) | 2020-10-26 18:45:54 UTC | | Sophie Germain Prime Search | 32.500 |
| 5643593646717*2^1290000-1 | 388,342 (decimal) | 2020-10-14 12:14:06 UTC | | Sophie Germain Prime Search | 32.500 |
| 5628596808135*2^1290000-1 | 388,342 (decimal) | 2020-10-08 12:41:01 UTC | | Sophie Germain Prime Search | 32.500 |
| 5612775760335*2^1290000-1 | 388,342 (decimal) | 2020-10-02 07:41:43 UTC | | Sophie Germain Prime Search | 32.500 |
| 5612227236135*2^1290000-1 | 388,342 (decimal) | 2020-10-02 02:36:57 UTC | | Sophie Germain Prime Search | 32.500 |
| 5609137368375*2^1290000-1 | 388,342 (decimal) | 2020-09-30 21:39:42 UTC | | Sophie Germain Prime Search | 32.500 |
| 5040328733235*2^1290000-1 | 388,342 (decimal) | 2020-04-01 20:52:11 UTC | | Sophie Germain Prime Search | 32.500 |
| 4967764190847*2^1290000-1 | 388,342 (decimal) | 2020-03-21 03:15:20 UTC | | Sophie Germain Prime Search | 32.500 |
| 4934397494955*2^1290000-1 | 388,342 (decimal) | 2020-03-04 08:12:42 UTC | | Sophie Germain Prime Search | 32.500 |
| 4894887952425*2^1290000-1 | 388,342 (decimal) | 2020-01-31 01:36:27 UTC | | Sophie Germain Prime Search | 32.500 |
| 4886876723727*2^1290000-1 | 388,342 (decimal) | 2020-01-27 14:53:16 UTC | | Sophie Germain Prime Search | 32.500 |
| 4878921011085*2^1290000-1 | 388,342 (decimal) | 2020-01-23 23:34:51 UTC | | Sophie Germain Prime Search | 32.500 |
| 4857905919975*2^1290000-1 | 388,342 (decimal) | 2020-01-16 13:38:54 UTC | | Sophie Germain Prime Search | 32.500 |
| 4687085470515*2^1290000-1 | 388,342 (decimal) | 2019-10-21 13:58:56 UTC | | Sophie Germain Prime Search | 32.500 |
| 4670066644785*2^1290000-1 | 388,342 (decimal) | 2019-10-10 12:00:26 UTC | | Sophie Germain Prime Search | 32.500 |
| 4229263089597*2^1290000-1 | 388,342 (decimal) | 2018-12-11 14:09:47 UTC | | Sophie Germain Prime Search | 32.500 |
| 3745108690587*2^1290000-1 | 388,342 (decimal) | 2017-10-07 04:30:25 UTC | | Sophie Germain Prime Search | 32.500 |
| 3743274494055*2^1290000-1 | 388,342 (decimal) | 2017-10-05 16:09:17 UTC | | Sophie Germain Prime Search | 32.500 |
| 3741467235165*2^1290000-1 | 388,342 (decimal) | 2017-10-03 23:53:11 UTC | | Sophie Germain Prime Search | 32.500 |
| 3732066748137*2^1290000-1 | 388,342 (decimal) | 2017-09-26 10:27:40 UTC | | Sophie Germain Prime Search | 32.500 |
| 3727652988237*2^1290000-1 | 388,342 (decimal) | 2017-09-22 14:36:18 UTC | | Sophie Germain Prime Search | 32.500 |
| 3725634193125*2^1290000-1 | 388,342 (decimal) | 2017-09-20 23:18:43 UTC | | Sophie Germain Prime Search | 32.500 |
| 3712782951717*2^1290000-1 | 388,342 (decimal) | 2017-09-09 11:47:36 UTC | | Sophie Germain Prime Search | 32.500 |
| 3705816430155*2^1290000-1 | 388,342 (decimal) | 2017-09-03 12:08:51 UTC | | Sophie Germain Prime Search | 32.500 |
| 3294183490257*2^1290000-1 | 388,342 (decimal) | 2017-02-10 13:31:04 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3281699744715*2^1290000-1 | 388,342 (decimal) | 2017-02-06 15:52:23 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3193921972635*2^1290000-1 | 388,342 (decimal) | 2016-12-18 22:52:10 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3182502717585*2^1290000-1 | 388,342 (decimal) | 2016-12-11 10:06:42 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3180925615707*2^1290000-1 | 388,342 (decimal) | 2016-12-10 08:13:43 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3153161314935*2^1290000-1 | 388,342 (decimal) | 2016-11-20 07:44:08 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 3148486309197*2^1290000-1 | 388,342 (decimal) | 2016-11-16 23:43:51 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 2715507205077*2^1290000-1 | 388,342 (decimal) | 2016-04-29 17:44:05 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1502472516237*2^1290000-1 | 388,341 (decimal) | 2014-09-03 03:26:42 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1348023164367*2^1290000-1 | 388,341 (decimal) | 2014-04-11 17:58:47 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1109072939565*2^1290000-1 | 388,341 (decimal) | 2013-12-04 19:39:44 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1107365779047*2^1290000-1 | 388,341 (decimal) | 2013-12-04 13:14:26 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 1105559302767*2^1290000-1 | 388,341 (decimal) | 2013-12-06 20:01:42 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 941940401307*2^1290000-1 | 388,341 (decimal) | 2013-10-01 10:24:23 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 117474057165*2^1290000-1 | 388,340 (decimal) | 2012-10-13 00:09:41 UTC | T5K | Sophie Germain Prime Search | 32.500 |
| 4327*2^963814+1 | 290,141 (decimal) | 2012-08-10 20:46:07 UTC | T5K | Proth Prime Search | 13.266 |
| 785*2^942627+1 | 283,762 (decimal) | 2011-05-31 20:20:57 UTC | T5K | Proth Prime Search | 12.389 |
| 5413*2^928938+1 | 279,642 (decimal) | 2012-07-03 02:16:32 UTC | T5K | Proth Prime Search | 11.845 |
| 5383*2^924446+1 | 278,290 (decimal) | 2012-06-28 18:11:09 UTC | T5K | Proth Prime Search | 11.669 |
| 1997*2^923659+1 | 278,053 (decimal) | 2012-06-28 11:43:27 UTC | T5K | Proth Prime Search | 11.639 |
| 2271*2^866447+1 | 260,830 (decimal) | 2012-05-15 00:38:51 UTC | T5K | Proth Prime Search | 9.561 |
| 58896930^32768+1 | 254,611 (decimal) | 2017-09-04 13:44:16 UTC | | Generalized Fermat Prime Search | 8.877 |
| 36554880^32768+1 | 247,823 (decimal) | 2016-10-18 02:32:18 UTC | | Generalized Fermat Prime Search | 8.170 |
| 8481*2^799516+1 | 240,683 (decimal) | 2012-03-16 20:21:49 UTC | T5K | Proth Prime Search | 7.467 |
| 1289*2^786937+1 | 236,895 (decimal) | 2012-03-10 09:05:14 UTC | T5K | Proth Prime Search | 7.111 |
| 2817*2^749054+1 | 225,492 (decimal) | 2011-12-12 00:55:47 UTC | T5K | Proth Prime Search | 6.110 |
| 3613*2^717874+1 | 216,106 (decimal) | 2011-11-14 20:21:23 UTC | T5K | Proth Prime Search | 5.361 |
| 8045*2^716381+1 | 215,657 (decimal) | 2011-11-13 22:52:58 UTC | T5K | Proth Prime Search | 5.327 |
| 17656511283465*2^666667-1 | 200,701 (decimal) | | | Sophie Germain Prime Search | 4.270 |
| 12999086957415*2^666667-1 | 200,700 (decimal) | 2011-10-21 13:35:38 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 22369110705165*2^666666-1 | 200,700 (decimal) | 2011-08-21 22:32:10 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 5589751639125*2^666668-1 | 200,700 (decimal) | 2011-08-05 02:07:06 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 7329564934845*2^666667-1 | 200,700 (decimal) | 2011-03-06 02:42:21 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 13325776323405*2^666666-1 | 200,700 (decimal) | 2011-02-23 03:28:17 UTC | T5K | Sophie Germain Prime Search | 4.270 |
| 9625*2^595214+1 | 179,182 (decimal) | 2010-12-24 20:27:13 UTC | T5K | Proth Prime Search | 3.012 |
| 4749*2^587978+1 | 177,003 (decimal) | 2010-12-03 21:14:59 UTC | T5K | Proth Prime Search | 2.901 |
| 5325*2^587877+1 | 176,973 (decimal) | 2010-12-03 21:12:44 UTC | T5K | Proth Prime Search | 2.899 |
| 9555*2^578999+1 | 174,301 (decimal) | 2010-11-18 20:44:13 UTC | T5K | Proth Prime Search | 2.767 |
| 2489*2^577431+1 | 173,828 (decimal) | 2010-11-13 15:11:13 UTC | T5K | Proth Prime Search | 2.744 |
