| Prime | Digits | Date | Links | Subproject | Prime Score |
|---|
| Initial finder |
|---|
| 99739*2^14019102+1 | 4,220,176 (decimal) | 2019-12-24 01:28:13 UTC | T5K, official announcement | Extended Sierpinski Problem | 97,942.652 |
| 12189878^262144+1 | 1,857,553 (decimal) | 2020-12-29 22:50:11 UTC | T5K | Generalized Fermat Prime Search | 7,926.256 |
| 10793312^262144+1 | 1,843,700 (decimal) | 2020-07-05 10:34:29 UTC | T5K | Generalized Fermat Prime Search | 7,746.443 |
| 73132228^131072+1 | 1,030,765 (decimal) | 2020-03-31 22:26:33 UTC | T5K | Generalized Fermat Prime Search | 1,302.086 |
| 64791668^131072+1 | 1,023,872 (decimal) | 2019-11-18 00:41:48 UTC | T5K | Generalized Fermat Prime Search | 1,275.555 |
| 933*2^2879973+1 | 866,962 (decimal) | 2020-08-04 05:21:16 UTC | T5K | Proth Prime Search | 765.614 |
| 813*2^2831757+1 | 852,447 (decimal) | 2020-01-02 18:57:35 UTC | T5K | Proth Prime Search | 726.954 |
| 435*2^2831709+1 | 852,432 (decimal) | 2020-01-02 14:14:17 UTC | T5K | Proth Prime Search | 726.916 |
| 88167594^65536+1 | 520,704 (decimal) | 2020-02-28 06:13:39 UTC | T5K | Generalized Fermat Prime Search | 160.047 |
| 86736718^65536+1 | 520,239 (decimal) | 2020-02-25 06:27:15 UTC | T5K | Generalized Fermat Prime Search | 159.607 |
| 82883694^65536+1 | 518,945 (decimal) | 2020-02-17 14:18:04 UTC | T5K | Generalized Fermat Prime Search | 158.392 |
| 82664200^65536+1 | 518,870 (decimal) | 2020-02-17 05:07:23 UTC | T5K | Generalized Fermat Prime Search | 158.321 |
| 82409922^65536+1 | 518,782 (decimal) | 2020-02-16 17:36:44 UTC | T5K | Generalized Fermat Prime Search | 158.239 |
| 81712996^65536+1 | 518,540 (decimal) | 2020-02-15 14:46:19 UTC | T5K | Generalized Fermat Prime Search | 158.012 |
| 79461958^65536+1 | 517,745 (decimal) | 2020-02-11 20:14:49 UTC | T5K | Generalized Fermat Prime Search | 157.270 |
| 78450806^65536+1 | 517,381 (decimal) | 2020-02-10 01:01:33 UTC | T5K | Generalized Fermat Prime Search | 156.930 |
| 77744918^65536+1 | 517,124 (decimal) | 2020-02-08 18:17:50 UTC | T5K | Generalized Fermat Prime Search | 156.690 |
| 77306490^65536+1 | 516,963 (decimal) | 2020-02-07 23:06:12 UTC | T5K | Generalized Fermat Prime Search | 156.540 |
| 66657214^65536+1 | 512,744 (decimal) | 2019-09-17 20:52:42 UTC | T5K | Generalized Fermat Prime Search | 152.650 |
| 66537066^65536+1 | 512,693 (decimal) | 2019-09-15 21:39:24 UTC | T5K | Generalized Fermat Prime Search | 152.603 |
| 52250632^65536+1 | 505,813 (decimal) | 2019-02-12 02:49:21 UTC | T5K | Generalized Fermat Prime Search | 146.400 |
| 5373*2^1593398+1 | 479,665 (decimal) | 2020-09-04 12:43:12 UTC | T5K | Proth Prime Search | 124.375 |
| 3125*2^1583223+1 | 476,602 (decimal) | 2019-09-08 07:55:11 UTC | T5K | Fermat Divisor Prime Search | 121.951 |
| 3803*2^1570401+1 | 472,742 (decimal) | 2020-02-22 11:27:33 UTC | T5K | Proth Prime Search | 118.942 |
| 5405*2^1566119+1 | 471,453 (decimal) | 2020-02-15 01:13:52 UTC | T5K | Proth Prime Search | 117.949 |
| 1573*2^1563486+1 | 470,660 (decimal) | 2020-02-10 23:38:33 UTC | T5K | Proth Prime Search | 117.340 |
| 8727*2^1561191+1 | 469,970 (decimal) | 2020-02-07 16:28:25 UTC | T5K | Proth Prime Search | 116.813 |
| 6489*2^1558511+1 | 469,163 (decimal) | 2020-02-04 00:45:34 UTC | T5K | Proth Prime Search | 116.198 |
| 1583*2^1540605+1 | 463,772 (decimal) | 2019-06-11 11:58:42 UTC | T5K | Proth Prime Search | 112.145 |
| 5806686517095*2^1290000-1 | 388,342 (decimal) | 2020-12-20 19:09:05 UTC | | Sophie Germain Prime Search | 65.001 |
| 5754255828477*2^1290000-1 | 388,342 (decimal) | 2020-12-02 00:55:36 UTC | | Sophie Germain Prime Search | 65.001 |
| 5752227750087*2^1290000-1 | 388,342 (decimal) | 2020-12-01 09:14:28 UTC | | Sophie Germain Prime Search | 65.001 |
| 5751705680745*2^1290000-1 | 388,342 (decimal) | 2020-12-01 05:13:59 UTC | | Sophie Germain Prime Search | 65.001 |
| 5606879602425*2^1290000-1 | 388,342 (decimal) | 2020-09-29 22:25:08 UTC | | Sophie Germain Prime Search | 65.001 |
| 5576844547017*2^1290000-1 | 388,342 (decimal) | 2020-09-14 12:27:21 UTC | | Sophie Germain Prime Search | 65.001 |
| 5238965682177*2^1290000-1 | 388,342 (decimal) | 2020-04-11 02:21:35 UTC | | Sophie Germain Prime Search | 65.001 |
| 5221974240597*2^1290000-1 | 388,342 (decimal) | 2020-04-08 14:23:45 UTC | | Sophie Germain Prime Search | 65.001 |
| 5173858438245*2^1290000-1 | 388,342 (decimal) | 2020-04-04 10:53:03 UTC | | Sophie Germain Prime Search | 65.001 |
| 5148292230807*2^1290000-1 | 388,342 (decimal) | 2020-04-03 23:55:02 UTC | | Sophie Germain Prime Search | 65.001 |
| 5146077980745*2^1290000-1 | 388,342 (decimal) | 2020-04-03 23:07:12 UTC | | Sophie Germain Prime Search | 65.001 |
| 5063050798407*2^1290000-1 | 388,342 (decimal) | 2020-04-02 08:40:54 UTC | | Sophie Germain Prime Search | 65.001 |
| 5040328733235*2^1290000-1 | 388,342 (decimal) | 2020-04-01 20:52:11 UTC | | Sophie Germain Prime Search | 65.001 |
| 5031216769425*2^1290000-1 | 388,342 (decimal) | 2020-04-01 15:22:03 UTC | | Sophie Germain Prime Search | 65.001 |
| 4798093489605*2^1290000-1 | 388,342 (decimal) | 2019-12-25 17:27:46 UTC | | Sophie Germain Prime Search | 65.001 |
| 4684112484207*2^1290000-1 | 388,342 (decimal) | 2019-10-20 10:15:24 UTC | | Sophie Germain Prime Search | 65.001 |
| 4632937686627*2^1290000-1 | 388,342 (decimal) | 2019-09-13 16:13:56 UTC | | Sophie Germain Prime Search | 65.001 |
| 4622513875647*2^1290000-1 | 388,342 (decimal) | 2019-09-03 14:01:19 UTC | | Sophie Germain Prime Search | 65.001 |
| 4474304870187*2^1290000-1 | 388,342 (decimal) | 2019-06-03 15:08:34 UTC | | Sophie Germain Prime Search | 65.001 |
| 4468936958115*2^1290000-1 | 388,342 (decimal) | 2019-05-30 23:54:05 UTC | | Sophie Germain Prime Search | 65.001 |
| 210223772^32768+1 | 272,718 (decimal) | 2020-12-21 11:18:17 UTC | | Generalized Fermat Prime Search | 21.931 |
| 210149204^32768+1 | 272,713 (decimal) | 2020-12-21 02:48:37 UTC | | Generalized Fermat Prime Search | 21.930 |
| 208953082^32768+1 | 272,632 (decimal) | 2020-12-16 00:29:12 UTC | | Generalized Fermat Prime Search | 21.910 |
| 208178000^32768+1 | 272,579 (decimal) | 2020-12-13 01:39:20 UTC | | Generalized Fermat Prime Search | 21.897 |
| 207233034^32768+1 | 272,514 (decimal) | 2020-12-07 13:02:19 UTC | | Generalized Fermat Prime Search | 21.881 |
| 206706230^32768+1 | 272,478 (decimal) | 2020-12-04 11:32:26 UTC | | Generalized Fermat Prime Search | 21.872 |
| 206519972^32768+1 | 272,465 (decimal) | 2020-12-03 08:21:47 UTC | | Generalized Fermat Prime Search | 21.869 |
| 206482186^32768+1 | 272,463 (decimal) | 2020-12-03 02:05:50 UTC | | Generalized Fermat Prime Search | 21.868 |
| 205823688^32768+1 | 272,417 (decimal) | 2020-11-28 16:44:41 UTC | | Generalized Fermat Prime Search | 21.857 |
| 205692642^32768+1 | 272,408 (decimal) | 2020-11-28 04:58:54 UTC | | Generalized Fermat Prime Search | 21.855 |
| 188428752^32768+1 | 271,161 (decimal) | 2020-08-09 10:14:40 UTC | | Generalized Fermat Prime Search | 21.549 |
| 188374856^32768+1 | 271,156 (decimal) | 2020-08-09 08:25:04 UTC | | Generalized Fermat Prime Search | 21.548 |
| 187905136^32768+1 | 271,121 (decimal) | 2020-08-08 15:04:39 UTC | | Generalized Fermat Prime Search | 21.539 |
| 187539432^32768+1 | 271,093 (decimal) | 2020-08-07 21:23:43 UTC | | Generalized Fermat Prime Search | 21.532 |
| 187464822^32768+1 | 271,088 (decimal) | 2020-08-07 17:30:08 UTC | | Generalized Fermat Prime Search | 21.531 |
| 187332718^32768+1 | 271,078 (decimal) | 2020-08-07 09:54:08 UTC | | Generalized Fermat Prime Search | 21.528 |
| 186904122^32768+1 | 271,045 (decimal) | 2020-08-06 06:30:59 UTC | | Generalized Fermat Prime Search | 21.520 |
| 186866120^32768+1 | 271,042 (decimal) | 2020-08-06 03:48:36 UTC | | Generalized Fermat Prime Search | 21.520 |
| 186197914^32768+1 | 270,991 (decimal) | 2020-08-02 12:22:22 UTC | | Generalized Fermat Prime Search | 21.507 |
| 185844690^32768+1 | 270,964 (decimal) | 2020-07-31 23:01:29 UTC | | Generalized Fermat Prime Search | 21.501 |
| 184489872^32768+1 | 270,860 (decimal) | 2020-07-23 23:53:42 UTC | | Generalized Fermat Prime Search | 21.475 |
| 184483248^32768+1 | 270,859 (decimal) | 2020-07-23 23:14:58 UTC | | Generalized Fermat Prime Search | 21.475 |
| 183712260^32768+1 | 270,800 (decimal) | 2020-07-20 06:23:01 UTC | | Generalized Fermat Prime Search | 21.461 |
| 183278330^32768+1 | 270,766 (decimal) | 2020-07-17 12:40:57 UTC | | Generalized Fermat Prime Search | 21.452 |
| 183012534^32768+1 | 270,745 (decimal) | 2020-07-16 11:27:34 UTC | | Generalized Fermat Prime Search | 21.447 |
| 175942068^32768+1 | 270,185 (decimal) | 2020-05-27 11:36:29 UTC | | Generalized Fermat Prime Search | 21.311 |
| 175651330^32768+1 | 270,161 (decimal) | 2020-05-26 01:05:20 UTC | | Generalized Fermat Prime Search | 21.305 |
| 175196794^32768+1 | 270,124 (decimal) | 2020-05-23 06:23:05 UTC | | Generalized Fermat Prime Search | 21.296 |
| 174061342^32768+1 | 270,032 (decimal) | 2020-05-18 01:33:43 UTC | | Generalized Fermat Prime Search | 21.274 |
| 173368080^32768+1 | 269,975 (decimal) | 2020-05-14 12:32:35 UTC | | Generalized Fermat Prime Search | 21.260 |
| 173267706^32768+1 | 269,967 (decimal) | 2020-05-14 03:06:35 UTC | | Generalized Fermat Prime Search | 21.258 |
| 173248698^32768+1 | 269,965 (decimal) | 2020-05-14 01:28:23 UTC | | Generalized Fermat Prime Search | 21.258 |
| 172641742^32768+1 | 269,915 (decimal) | 2020-05-10 22:44:27 UTC | | Generalized Fermat Prime Search | 21.246 |
| 172601918^32768+1 | 269,912 (decimal) | 2020-05-10 19:30:19 UTC | | Generalized Fermat Prime Search | 21.245 |
| 163683402^32768+1 | 269,157 (decimal) | 2020-03-19 08:52:19 UTC | | Generalized Fermat Prime Search | 21.063 |
| 161471744^32768+1 | 268,963 (decimal) | 2020-03-08 14:09:02 UTC | | Generalized Fermat Prime Search | 21.016 |
| 160521516^32768+1 | 268,879 (decimal) | 2020-03-03 19:07:21 UTC | | Generalized Fermat Prime Search | 20.996 |
| 148341772^32768+1 | 267,756 (decimal) | 2019-11-26 17:37:28 UTC | | Generalized Fermat Prime Search | 20.728 |
| 148234094^32768+1 | 267,746 (decimal) | 2019-11-25 17:19:36 UTC | | Generalized Fermat Prime Search | 20.725 |
| 147373906^32768+1 | 267,663 (decimal) | 2019-11-19 16:32:50 UTC | | Generalized Fermat Prime Search | 20.705 |
| 146690944^32768+1 | 267,597 (decimal) | 2019-11-13 08:06:55 UTC | | Generalized Fermat Prime Search | 20.690 |
| 146685258^32768+1 | 267,597 (decimal) | 2019-11-13 07:31:37 UTC | | Generalized Fermat Prime Search | 20.690 |
| 146572182^32768+1 | 267,586 (decimal) | 2019-11-12 11:45:25 UTC | | Generalized Fermat Prime Search | 20.687 |
| 146525644^32768+1 | 267,581 (decimal) | 2019-11-12 04:41:45 UTC | | Generalized Fermat Prime Search | 20.686 |
| 145662094^32768+1 | 267,497 (decimal) | 2019-11-01 02:10:36 UTC | | Generalized Fermat Prime Search | 20.666 |
| 144545644^32768+1 | 267,388 (decimal) | 2019-10-20 10:01:57 UTC | | Generalized Fermat Prime Search | 20.640 |
| 144529334^32768+1 | 267,386 (decimal) | 2019-10-20 07:16:54 UTC | | Generalized Fermat Prime Search | 20.639 |
| 144449976^32768+1 | 267,378 (decimal) | 2019-10-19 17:33:34 UTC | | Generalized Fermat Prime Search | 20.638 |
| 144396234^32768+1 | 267,373 (decimal) | 2019-10-19 08:39:13 UTC | | Generalized Fermat Prime Search | 20.636 |
| 144281882^32768+1 | 267,362 (decimal) | 2019-10-18 11:18:43 UTC | | Generalized Fermat Prime Search | 20.634 |
| 136435090^32768+1 | 266,566 (decimal) | 2019-08-12 05:32:53 UTC | | Generalized Fermat Prime Search | 20.445 |
| 133777458^32768+1 | 266,286 (decimal) | 2019-07-21 12:26:16 UTC | | Generalized Fermat Prime Search | 20.379 |
| 132307068^32768+1 | 266,129 (decimal) | 2019-07-11 00:36:08 UTC | | Generalized Fermat Prime Search | 20.342 |
| 130240748^32768+1 | 265,905 (decimal) | 2019-06-23 23:30:55 UTC | | Generalized Fermat Prime Search | 20.290 |
| 128558152^32768+1 | 265,719 (decimal) | 2019-06-11 09:50:02 UTC | | Generalized Fermat Prime Search | 20.246 |
| 95714646^32768+1 | 261,521 (decimal) | 2018-07-19 13:03:22 UTC | | Generalized Fermat Prime Search | 19.279 |
| 91042040^32768+1 | 260,809 (decimal) | 2018-05-05 20:21:26 UTC | | Generalized Fermat Prime Search | 19.118 |
Doublechecker
(dates are of initial discovery, not the double check date) |
|---|
| 963*2^1761050+1 | 530,132 (decimal) | 2013-03-17 17:44:15 UTC | T5K | Proth Prime Search | 84.558 |
| 85003716^65536+1 | 519,664 (decimal) | 2020-02-21 13:43:32 UTC | T5K | Generalized Fermat Prime Search | 79.533 |
| 77355598^65536+1 | 516,981 (decimal) | 2020-02-08 01:18:15 UTC | T5K | Generalized Fermat Prime Search | 78.279 |
| 36279762^65536+1 | 495,431 (decimal) | 2018-03-02 10:35:25 UTC | T5K | Generalized Fermat Prime Search | 68.682 |
| 4983*2^1592090+1 | 479,271 (decimal) | 2020-09-04 05:11:20 UTC | T5K | Proth Prime Search | 62.031 |
| 1473*2^1560453+1 | 469,747 (decimal) | 2020-02-06 13:11:14 UTC | T5K | Proth Prime Search | 58.321 |
| 1839*2^1558090+1 | 469,036 (decimal) | 2020-02-03 11:27:44 UTC | T5K | Proth Prime Search | 58.050 |
| 4597*2^1557924+1 | 468,986 (decimal) | 2020-02-03 06:42:59 UTC | T5K | Proth Prime Search | 58.032 |
| 5804591965917*2^1290000-1 | 388,342 (decimal) | 2020-12-20 04:18:52 UTC | | Sophie Germain Prime Search | 32.500 |
| 5790309493965*2^1290000-1 | 388,342 (decimal) | 2020-12-15 16:00:58 UTC | | Sophie Germain Prime Search | 32.500 |
| 5788358657877*2^1290000-1 | 388,342 (decimal) | 2020-12-14 22:49:30 UTC | | Sophie Germain Prime Search | 32.500 |
| 5714868191205*2^1290000-1 | 388,342 (decimal) | 2020-11-14 01:01:02 UTC | | Sophie Germain Prime Search | 32.500 |
| 5668257995235*2^1290000-1 | 388,342 (decimal) | 2020-10-26 16:17:16 UTC | | Sophie Germain Prime Search | 32.500 |
| 5603953927455*2^1290000-1 | 388,342 (decimal) | 2020-09-28 18:01:56 UTC | | Sophie Germain Prime Search | 32.500 |
| 5086088162127*2^1290000-1 | 388,342 (decimal) | 2020-04-02 19:59:58 UTC | | Sophie Germain Prime Search | 32.500 |
| 4476151356087*2^1290000-1 | 388,342 (decimal) | 2019-06-04 14:55:49 UTC | | Sophie Germain Prime Search | 32.500 |
| 209094146^32768+1 | 272,641 (decimal) | 2020-12-16 09:59:57 UTC | | Generalized Fermat Prime Search | 10.956 |
| 208437040^32768+1 | 272,597 (decimal) | 2020-12-13 23:06:02 UTC | | Generalized Fermat Prime Search | 10.951 |
| 208431222^32768+1 | 272,596 (decimal) | 2020-12-13 22:33:06 UTC | | Generalized Fermat Prime Search | 10.951 |
| 206897602^32768+1 | 272,491 (decimal) | 2020-12-05 11:53:16 UTC | | Generalized Fermat Prime Search | 10.938 |
| 206879364^32768+1 | 272,490 (decimal) | 2020-12-05 10:10:48 UTC | | Generalized Fermat Prime Search | 10.938 |
| 190124156^32768+1 | 271,288 (decimal) | 2020-08-13 21:27:29 UTC | | Generalized Fermat Prime Search | 10.790 |
| 189713064^32768+1 | 271,257 (decimal) | 2020-08-12 01:23:15 UTC | | Generalized Fermat Prime Search | 10.786 |
| 187922612^32768+1 | 271,122 (decimal) | 2020-08-08 15:46:05 UTC | | Generalized Fermat Prime Search | 10.770 |
| 184478710^32768+1 | 270,859 (decimal) | 2020-07-23 22:50:31 UTC | | Generalized Fermat Prime Search | 10.738 |
| 183745392^32768+1 | 270,802 (decimal) | 2020-07-20 09:26:53 UTC | | Generalized Fermat Prime Search | 10.731 |
| 172318768^32768+1 | 269,889 (decimal) | 2020-05-09 23:44:20 UTC | | Generalized Fermat Prime Search | 10.620 |
| 147786300^32768+1 | 267,703 (decimal) | 2019-11-22 00:19:48 UTC | | Generalized Fermat Prime Search | 10.357 |
| 147425438^32768+1 | 267,668 (decimal) | 2019-11-19 21:25:35 UTC | | Generalized Fermat Prime Search | 10.353 |
| 145555560^32768+1 | 267,487 (decimal) | 2019-10-31 06:58:43 UTC | | Generalized Fermat Prime Search | 10.332 |
| 136031644^32768+1 | 266,524 (decimal) | 2019-08-09 05:17:14 UTC | | Generalized Fermat Prime Search | 10.218 |
| 94191588^32768+1 | 261,293 (decimal) | 2018-06-25 05:42:10 UTC | | Generalized Fermat Prime Search | 9.614 |
| 88593558^32768+1 | 260,421 (decimal) | 2018-03-27 00:23:23 UTC | | Generalized Fermat Prime Search | 9.515 |
