Prime | Digits | Date | Links | Subproject | Prime Score |
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Initial finder |
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93950924^131072+1 | 1,045,025 (decimal) | 2021-10-27 02:52:47 UTC | T5K | Generalized Fermat Prime Search | 1,358.147 |
145072510^65536+1 | 534,878 (decimal) | 2022-02-05 02:23:55 UTC | T5K | Generalized Fermat Prime Search | 173.808 |
133931782^65536+1 | 532,604 (decimal) | 2021-10-05 01:01:48 UTC | T5K | Generalized Fermat Prime Search | 171.548 |
3801*2^1490004+1 | 448,540 (decimal) | 2018-04-26 08:33:46 UTC | T5K | Proth Prime Search | 101.210 |
6761498390157*2^1290000-1 | 388,342 (decimal) | 2022-01-22 23:43:40 UTC | | Sophie Germain Prime Search | 65.001 |
6716615837277*2^1290000-1 | 388,342 (decimal) | 2022-01-04 10:52:17 UTC | | Sophie Germain Prime Search | 65.001 |
6709728214527*2^1290000-1 | 388,342 (decimal) | 2022-01-01 13:45:03 UTC | | Sophie Germain Prime Search | 65.001 |
6685812105537*2^1290000-1 | 388,342 (decimal) | 2021-12-23 12:04:54 UTC | | Sophie Germain Prime Search | 65.001 |
6417120569697*2^1290000-1 | 388,342 (decimal) | 2021-08-18 10:26:24 UTC | | Sophie Germain Prime Search | 65.001 |
6395360326407*2^1290000-1 | 388,342 (decimal) | 2021-09-28 04:27:00 UTC | | Sophie Germain Prime Search | 65.001 |
6382428873537*2^1290000-1 | 388,342 (decimal) | 2021-09-21 18:49:55 UTC | | Sophie Germain Prime Search | 65.001 |
254997860^32768+1 | 275,466 (decimal) | 2021-09-14 19:31:12 UTC | | Generalized Fermat Prime Search | 22.618 |
254604078^32768+1 | 275,444 (decimal) | 2021-09-12 08:40:39 UTC | | Generalized Fermat Prime Search | 22.613 |
254584894^32768+1 | 275,443 (decimal) | 2021-09-12 05:48:32 UTC | | Generalized Fermat Prime Search | 22.612 |
254422742^32768+1 | 275,434 (decimal) | 2021-09-11 06:26:49 UTC | | Generalized Fermat Prime Search | 22.610 |
251431112^32768+1 | 275,265 (decimal) | 2021-08-27 12:40:19 UTC | | Generalized Fermat Prime Search | 22.568 |
251178778^32768+1 | 275,251 (decimal) | 2021-08-26 04:48:55 UTC | | Generalized Fermat Prime Search | 22.564 |
251073354^32768+1 | 275,245 (decimal) | 2021-08-25 07:59:55 UTC | | Generalized Fermat Prime Search | 22.562 |
250058960^32768+1 | 275,188 (decimal) | 2021-08-18 08:45:48 UTC | | Generalized Fermat Prime Search | 22.548 |
249681470^32768+1 | 275,166 (decimal) | 2021-08-15 11:15:12 UTC | | Generalized Fermat Prime Search | 22.542 |
249636690^32768+1 | 275,164 (decimal) | 2021-08-15 02:51:40 UTC | | Generalized Fermat Prime Search | 22.542 |
249628014^32768+1 | 275,163 (decimal) | 2021-08-15 00:14:09 UTC | | Generalized Fermat Prime Search | 22.542 |
7405*2^697760+1 | 210,051 (decimal) | 2011-09-13 05:53:24 UTC | T5K | Proth Prime Search | 9.825 |
4543*2^696240+1 | 209,593 (decimal) | 2011-09-13 05:53:24 UTC | T5K | Proth Prime Search | 9.759 |
3095*2^679907+1 | 204,676 (decimal) | 2011-09-13 05:53:24 UTC | T5K | Proth Prime Search | 9.072 |
8921*2^677991+1 | 204,100 (decimal) | 2011-09-13 05:53:24 UTC | T5K | Proth Prime Search | 8.993 |
4371*2^676824+1 | 203,748 (decimal) | 2011-09-13 05:53:24 UTC | T5K | Proth Prime Search | 8.946 |
7931918898375*2^666668-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 8.540 |
31344379938945*2^666666-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 8.540 |
31320486107055*2^666666-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 8.540 |
31004455260945*2^666666-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 8.540 |
Doublechecker (dates are of initial discovery, not the double check date) |
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6766442919717*2^1290000-1 | 388,342 (decimal) | 2022-01-25 08:49:12 UTC | | Sophie Germain Prime Search | 32.500 |
6675140182947*2^1290000-1 | 388,342 (decimal) | 2021-12-19 11:49:00 UTC | | Sophie Germain Prime Search | 32.500 |
6674725017165*2^1290000-1 | 388,342 (decimal) | 2021-12-19 07:59:09 UTC | | Sophie Germain Prime Search | 32.500 |
6660360967197*2^1290000-1 | 388,342 (decimal) | 2021-12-13 07:50:32 UTC | | Sophie Germain Prime Search | 32.500 |
6641021058987*2^1290000-1 | 388,342 (decimal) | 2021-12-05 09:42:51 UTC | | Sophie Germain Prime Search | 32.500 |
6361040571567*2^1290000-1 | 388,342 (decimal) | 2021-09-12 23:16:53 UTC | | Sophie Germain Prime Search | 32.500 |
254606478^32768+1 | 275,444 (decimal) | 2021-09-12 09:04:22 UTC | | Generalized Fermat Prime Search | 11.306 |
254300704^32768+1 | 275,427 (decimal) | 2021-09-10 11:38:17 UTC | | Generalized Fermat Prime Search | 11.304 |
251871510^32768+1 | 275,290 (decimal) | 2021-08-29 12:53:24 UTC | | Generalized Fermat Prime Search | 11.287 |
251200880^32768+1 | 275,252 (decimal) | 2021-08-26 08:03:14 UTC | | Generalized Fermat Prime Search | 11.282 |
251057858^32768+1 | 275,244 (decimal) | 2021-08-25 04:45:12 UTC | | Generalized Fermat Prime Search | 11.281 |
250930556^32768+1 | 275,237 (decimal) | 2021-08-24 07:40:00 UTC | | Generalized Fermat Prime Search | 11.280 |
249564970^32768+1 | 275,159 (decimal) | 2021-08-14 05:44:23 UTC | | Generalized Fermat Prime Search | 11.270 |
249538476^32768+1 | 275,158 (decimal) | 2021-08-14 00:29:38 UTC | | Generalized Fermat Prime Search | 11.270 |
249421388^32768+1 | 275,151 (decimal) | 2021-08-12 21:31:15 UTC | | Generalized Fermat Prime Search | 11.269 |
204411662^32768+1 | 272,319 (decimal) | 2020-11-20 01:16:44 UTC | | Generalized Fermat Prime Search | 10.916 |
203417192^32768+1 | 272,250 (decimal) | 2020-11-13 16:06:58 UTC | | Generalized Fermat Prime Search | 10.908 |
200516136^32768+1 | 272,045 (decimal) | 2020-10-21 16:00:15 UTC | | Generalized Fermat Prime Search | 10.883 |
3311*2^683081+1 | 205,632 (decimal) | 2011-08-25 02:48:15 UTC | T5K | Proth Prime Search | 4.601 |
3441*2^682260+1 | 205,385 (decimal) | 2011-08-25 01:15:42 UTC | T5K | Proth Prime Search | 4.584 |
6995*2^676549+1 | 203,666 (decimal) | 2011-08-21 20:42:42 UTC | T5K | Proth Prime Search | 4.467 |
8633328411795*2^666668-1 | 200,701 (decimal) | | | Sophie Germain Prime Search | 4.270 |
2093449381995*2^666670-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
16424769582975*2^666667-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
8206685111925*2^666668-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
15767561311425*2^666667-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
15754186454565*2^666667-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
30449215691475*2^666666-1 | 200,700 (decimal) | | | Sophie Germain Prime Search | 4.270 |
993*2^658034+1 | 198,091 (decimal) | 2009-06-23 12:06:55 UTC | T5K | Proth Prime Search | 4.102 |
63669588519*2^333333-1 | 100,355 (decimal) | | | Twin Prime Search | 0.505 |