Mersenne P-1 top factors

M74433907 has a factor: 8851585217744433227501340616144864335985889 (142.667 bits)
M69252709 has a factor: 388846469071789640842798743803390069863 (128.192 bits)
M60087271 has a factor: 4193448192519512466328020087812969 (111.692 bits)
M55064131 has a factor: 800468563344144566523475523993 (99.337 bits)
M62510831 has a factor: 303437186345073805104952285217 (97.937 bits)
M65048383 has a factor: 74315978530107285471967720367 (95.908 bits)
M70038307 has a factor: 15119194971463772576244803489 (93.610 bits)
M63942427 has a factor: 14470175537742040155161926351 (93.547 bits)
M56363837 has a factor: 12217980981023689939483017271 (93.303 bits)
M63385541 has a factor: 9112376008272933987682062991 (92.880 bits)
M82460101 has a factor: 1386750971826504574119118969 (90.164 bits)
M75331367 has a factor: 391104537679450295352861193 (88.338 bits)
M69513211 has a factor: 237337053716073506032323721 (87.617 bits)
M62236739 has a factor: 182818884922577575252848929 (87.241 bits)
M77057473 has a factor: 100002295380592594353901783 (86.370 bits)
M72544649 has a factor: 70054401480149596469296457 (85.857 bits)
M61162259 has a factor: 58332476225708504341922329 (85.593 bits)
M71889919 has a factor: 57689291121596719540236583 (85.577 bits)
M75772199 has a factor: 19692488228736270278990801 (84.026 bits)
M62678123 has a factor: 16022016855258859437500257 (83.728 bits)
M69091193 has a factor: 12086592221773000571149009 (83.322 bits)
M66928019 has a factor: 10282577403740853724564409 (83.088 bits)
M66933397 has a factor: 7149352127905959680410049 (82.564 bits)
M67673869 has a factor: 3965039297756450408791801 (81.714 bits)
M65023129 has a factor: 2888530359755710295028001 (81.257 bits)
M60901661 has a factor: 2353311616933049711577593 (80.961 bits)
M60104591 has a factor: 1882932897210002709549199 (80.639 bits)
M73122341 has a factor: 1628197281688736668324913 (80.430 bits)
M62773807 has a factor: 1057232874706980797326031 (79.807 bits)
M60820057 has a factor: 479355748373731653948961 (78.665 bits)
M62181817 has a factor: 446664145030638353140177 (78.564 bits)
M58011007 has a factor: 443697921990673228323551 (78.554 bits)
M76099421 has a factor: 303964303028499898582513 (78.008 bits)
M68916359 has a factor: 295962617004916553906633 (77.970 bits)
M62331947 has a factor: 165979753677765503497921 (77.135 bits)
M74633231 has a factor: 146730686151793627124551 (76.958 bits)
M66827821 has a factor: 142633775362468319034983 (76.917 bits)
M71030087 has a factor: 103791375399587947345009 (76.458 bits)
M67052389 has a factor: 101003996773236496077881 (76.419 bits)
M67548583 has a factor: 81076861809492385060369 (76.102 bits)
M69312569 has a factor: 53236388460541402997689 (75.495 bits)
M59039671 has a factor: 41089064479028685816929 (75.121 bits)
M69249673 has a factor: 38805014160261460477199 (75.039 bits)
M58113929 has a factor: 35004299714512481636993 (74.890 bits)
M57597613 has a factor: 33121580870770222088233 (74.810 bits)
M58588697 has a factor: 26426570917982974375601 (74.484 bits)
M67052389 has a factor: 25601812215250991403751 (74.439 bits)
M57065149 has a factor: 24900719839340744890679 (74.399 bits)
M66109319 has a factor: 19983076144078474176329 (74.081 bits)
M61806659 has a factor: 11648472237022392612871 (73.303 bits)
M61992719 has a factor: 11112747638430226331393 (73.235 bits)
M69852973 has a factor: 9971728040670360736319 (73.078 bits)
M48941273 has a factor: 7847497860347210941087 (72.733 bits)
M56901473 has a factor: 6581346920769098601241 (72.479 bits)

For copy-paste to forum:

[M]M74433907[/M] has a 142.667-bit (43-digit) factor: [url=https://www.mersenne.ca/M74433907]8851585217744433227501340616144864335985889[/url] (P-1)
[M]M69252709[/M] has a 128.192-bit (39-digit) factor: [url=https://www.mersenne.ca/M69252709]388846469071789640842798743803390069863[/url] (P-1)
[M]M60087271[/M] has a 111.692-bit (34-digit) factor: [url=https://www.mersenne.ca/M60087271]4193448192519512466328020087812969[/url] (P-1)
[M]M55064131[/M] has a 99.337-bit (30-digit) factor: [url=https://www.mersenne.ca/M55064131]800468563344144566523475523993[/url] (P-1)
[M]M62510831[/M] has a 97.937-bit (30-digit) factor: [url=https://www.mersenne.ca/M62510831]303437186345073805104952285217[/url] (P-1)
[M]M65048383[/M] has a 95.908-bit (29-digit) factor: [url=https://www.mersenne.ca/M65048383]74315978530107285471967720367[/url] (P-1)
[M]M70038307[/M] has a 93.610-bit (29-digit) factor: [url=https://www.mersenne.ca/M70038307]15119194971463772576244803489[/url] (P-1)
[M]M63942427[/M] has a 93.547-bit (29-digit) factor: [url=https://www.mersenne.ca/M63942427]14470175537742040155161926351[/url] (P-1)
[M]M56363837[/M] has a 93.303-bit (29-digit) factor: [url=https://www.mersenne.ca/M56363837]12217980981023689939483017271[/url] (P-1)
[M]M63385541[/M] has a 92.880-bit (28-digit) factor: [url=https://www.mersenne.ca/M63385541]9112376008272933987682062991[/url] (P-1)
[M]M82460101[/M] has a 90.164-bit (28-digit) factor: [url=https://www.mersenne.ca/M82460101]1386750971826504574119118969[/url] (P-1,B1=690000,B2=690000)
[M]M75331367[/M] has a 88.338-bit (27-digit) factor: [url=https://www.mersenne.ca/M75331367]391104537679450295352861193[/url] (P-1)
[M]M69513211[/M] has a 87.617-bit (27-digit) factor: [url=https://www.mersenne.ca/M69513211]237337053716073506032323721[/url] (P-1)
[M]M62236739[/M] has a 87.241-bit (27-digit) factor: [url=https://www.mersenne.ca/M62236739]182818884922577575252848929[/url] (P-1)
[M]M77057473[/M] has a 86.370-bit (27-digit) factor: [url=https://www.mersenne.ca/M77057473]100002295380592594353901783[/url] (P-1)
[M]M72544649[/M] has a 85.857-bit (26-digit) factor: [url=https://www.mersenne.ca/M72544649]70054401480149596469296457[/url] (P-1)
[M]M61162259[/M] has a 85.593-bit (26-digit) factor: [url=https://www.mersenne.ca/M61162259]58332476225708504341922329[/url] (P-1)
[M]M71889919[/M] has a 85.577-bit (26-digit) factor: [url=https://www.mersenne.ca/M71889919]57689291121596719540236583[/url] (P-1)
[M]M75772199[/M] has a 84.026-bit (26-digit) factor: [url=https://www.mersenne.ca/M75772199]19692488228736270278990801[/url] (P-1)
[M]M62678123[/M] has a 83.728-bit (26-digit) factor: [url=https://www.mersenne.ca/M62678123]16022016855258859437500257[/url] (P-1)
[M]M69091193[/M] has a 83.322-bit (26-digit) factor: [url=https://www.mersenne.ca/M69091193]12086592221773000571149009[/url] (P-1)
[M]M66928019[/M] has a 83.088-bit (26-digit) factor: [url=https://www.mersenne.ca/M66928019]10282577403740853724564409[/url] (P-1)
[M]M66933397[/M] has a 82.564-bit (25-digit) factor: [url=https://www.mersenne.ca/M66933397]7149352127905959680410049[/url] (P-1)
[M]M67673869[/M] has a 81.714-bit (25-digit) factor: [url=https://www.mersenne.ca/M67673869]3965039297756450408791801[/url] (P-1)
[M]M65023129[/M] has a 81.257-bit (25-digit) factor: [url=https://www.mersenne.ca/M65023129]2888530359755710295028001[/url] (P-1)
[M]M60901661[/M] has a 80.961-bit (25-digit) factor: [url=https://www.mersenne.ca/M60901661]2353311616933049711577593[/url] (P-1)
[M]M60104591[/M] has a 80.639-bit (25-digit) factor: [url=https://www.mersenne.ca/M60104591]1882932897210002709549199[/url] (P-1)
[M]M73122341[/M] has a 80.430-bit (25-digit) factor: [url=https://www.mersenne.ca/M73122341]1628197281688736668324913[/url] (P-1)
[M]M62773807[/M] has a 79.807-bit (25-digit) factor: [url=https://www.mersenne.ca/M62773807]1057232874706980797326031[/url] (P-1)
[M]M60820057[/M] has a 78.665-bit (24-digit) factor: [url=https://www.mersenne.ca/M60820057]479355748373731653948961[/url] (P-1)
[M]M62181817[/M] has a 78.564-bit (24-digit) factor: [url=https://www.mersenne.ca/M62181817]446664145030638353140177[/url] (P-1)
[M]M58011007[/M] has a 78.554-bit (24-digit) factor: [url=https://www.mersenne.ca/M58011007]443697921990673228323551[/url] (P-1)
[M]M76099421[/M] has a 78.008-bit (24-digit) factor: [url=https://www.mersenne.ca/M76099421]303964303028499898582513[/url] (P-1)
[M]M68916359[/M] has a 77.970-bit (24-digit) factor: [url=https://www.mersenne.ca/M68916359]295962617004916553906633[/url] (P-1)
[M]M62331947[/M] has a 77.135-bit (24-digit) factor: [url=https://www.mersenne.ca/M62331947]165979753677765503497921[/url] (P-1)
[M]M74633231[/M] has a 76.958-bit (24-digit) factor: [url=https://www.mersenne.ca/M74633231]146730686151793627124551[/url] (P-1)
[M]M66827821[/M] has a 76.917-bit (24-digit) factor: [url=https://www.mersenne.ca/M66827821]142633775362468319034983[/url] (P-1)
[M]M71030087[/M] has a 76.458-bit (24-digit) factor: [url=https://www.mersenne.ca/M71030087]103791375399587947345009[/url] (P-1)
[M]M67052389[/M] has a 76.419-bit (24-digit) factor: [url=https://www.mersenne.ca/M67052389]101003996773236496077881[/url] (P-1)
[M]M67548583[/M] has a 76.102-bit (23-digit) factor: [url=https://www.mersenne.ca/M67548583]81076861809492385060369[/url] (P-1)
[M]M69312569[/M] has a 75.495-bit (23-digit) factor: [url=https://www.mersenne.ca/M69312569]53236388460541402997689[/url] (P-1)
[M]M59039671[/M] has a 75.121-bit (23-digit) factor: [url=https://www.mersenne.ca/M59039671]41089064479028685816929[/url] (P-1)
[M]M69249673[/M] has a 75.039-bit (23-digit) factor: [url=https://www.mersenne.ca/M69249673]38805014160261460477199[/url] (P-1)
[M]M58113929[/M] has a 74.890-bit (23-digit) factor: [url=https://www.mersenne.ca/M58113929]35004299714512481636993[/url] (P-1)
[M]M57597613[/M] has a 74.810-bit (23-digit) factor: [url=https://www.mersenne.ca/M57597613]33121580870770222088233[/url] (P-1)
[M]M58588697[/M] has a 74.484-bit (23-digit) factor: [url=https://www.mersenne.ca/M58588697]26426570917982974375601[/url] (P-1)
[M]M67052389[/M] has a 74.439-bit (23-digit) factor: [url=https://www.mersenne.ca/M67052389]25601812215250991403751[/url] (P-1)
[M]M57065149[/M] has a 74.399-bit (23-digit) factor: [url=https://www.mersenne.ca/M57065149]24900719839340744890679[/url] (P-1)
[M]M66109319[/M] has a 74.081-bit (23-digit) factor: [url=https://www.mersenne.ca/M66109319]19983076144078474176329[/url] (P-1)
[M]M61806659[/M] has a 73.303-bit (23-digit) factor: [url=https://www.mersenne.ca/M61806659]11648472237022392612871[/url] (P-1)
[M]M61992719[/M] has a 73.235-bit (23-digit) factor: [url=https://www.mersenne.ca/M61992719]11112747638430226331393[/url] (P-1)
[M]M69852973[/M] has a 73.078-bit (22-digit) factor: [url=https://www.mersenne.ca/M69852973]9971728040670360736319[/url] (P-1)
[M]M48941273[/M] has a 72.733-bit (22-digit) factor: [url=https://www.mersenne.ca/M48941273]7847497860347210941087[/url] (P-1)
[M]M56901473[/M] has a 72.479-bit (22-digit) factor: [url=https://www.mersenne.ca/M56901473]6581346920769098601241[/url] (P-1)

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront

Biggest factors for driveByUpgrades	ecm	p-1	p+1	any
Biggest factors (all users)	ecm	p-1	p+1	any
Recent factors (all users)	ecm	p-1	p+1	any
Search by user	ecm	p-1	p+1	any

Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for driveByUpgrades

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	driveByUpgrades	74433907	8851585217744433227501340616144864335985889	43	142.667	2015-11-10 12:22:36
2	driveByUpgrades	69252709	388846469071789640842798743803390069863	39	128.192	2013-12-08 04:08:00
3	driveByUpgrades	60087271	4193448192519512466328020087812969	34	111.692	2013-01-03 18:45:00
4	driveByUpgrades	55064131	800468563344144566523475523993	30	99.337	2012-05-25 13:01:00
5	driveByUpgrades	62510831	303437186345073805104952285217	30	97.937	2013-05-16 15:11:00
6	driveByUpgrades	65048383	74315978530107285471967720367	29	95.908	2013-09-16 20:59:00
7	driveByUpgrades	70038307	15119194971463772576244803489	29	93.610	2014-08-23 20:02:00
8	driveByUpgrades	63942427	14470175537742040155161926351	29	93.547	2013-09-03 23:00:00
9	driveByUpgrades	56363837	12217980981023689939483017271	29	93.303	2012-07-15 11:12:00
10	driveByUpgrades	63385541	9112376008272933987682062991	28	92.880	2013-09-01 17:49:00
11	driveByUpgrades	82460101	1386750971826504574119118969	28	90.164	2017-07-29 15:09:26
12	driveByUpgrades	75331367	391104537679450295352861193	27	88.338	2016-02-20 05:16:54
13	driveByUpgrades	69513211	237337053716073506032323721	27	87.617	2014-02-15 06:27:00
14	driveByUpgrades	62236739	182818884922577575252848929	27	87.241	2013-03-19 12:33:00
15	driveByUpgrades	77057473	100002295380592594353901783	27	86.370	2015-05-20 06:10:00
16	driveByUpgrades	72544649	70054401480149596469296457	26	85.857	2015-03-22 07:42:00
17	driveByUpgrades	61162259	58332476225708504341922329	26	85.593	2013-04-14 00:47:00
18	driveByUpgrades	71889919	57689291121596719540236583	26	85.577	2015-02-06 04:42:00
19	driveByUpgrades	75772199	19692488228736270278990801	26	84.026	2016-04-24 21:13:42
20	driveByUpgrades	62678123	16022016855258859437500257	26	83.728	2013-03-23 17:30:00
21	driveByUpgrades	69091193	12086592221773000571149009	26	83.322	2014-02-19 10:33:00
22	driveByUpgrades	66928019	10282577403740853724564409	26	83.088	2013-09-14 04:33:00
23	driveByUpgrades	66933397	7149352127905959680410049	25	82.564	2014-08-25 02:25:00
24	driveByUpgrades	67673869	3965039297756450408791801	25	81.714	2014-09-24 23:12:00
25	driveByUpgrades	65023129	2888530359755710295028001	25	81.257	2013-09-07 04:12:00
26	driveByUpgrades	60901661	2353311616933049711577593	25	80.961	2013-02-06 19:23:00
27	driveByUpgrades	60104591	1882932897210002709549199	25	80.639	2013-01-04 16:26:00
28	driveByUpgrades	73122341	1628197281688736668324913	25	80.430	2014-08-17 14:45:00
29	driveByUpgrades	62773807	1057232874706980797326031	25	79.807	2013-05-27 16:43:00
30	driveByUpgrades	60820057	479355748373731653948961	24	78.665	2013-02-03 15:06:00
31	driveByUpgrades	62181817	446664145030638353140177	24	78.564	2013-03-12 14:35:00
32	driveByUpgrades	58011007	443697921990673228323551	24	78.554	2012-08-02 05:16:00
33	driveByUpgrades	76099421	303964303028499898582513	24	78.008	2015-05-26 18:58:00
34	driveByUpgrades	68916359	295962617004916553906633	24	77.970	2014-01-22 23:15:00
35	driveByUpgrades	62331947	165979753677765503497921	24	77.135	2013-05-29 10:48:00
36	driveByUpgrades	74633231	146730686151793627124551	24	76.958	2015-11-15 11:52:12
37	driveByUpgrades	66827821	142633775362468319034983	24	76.917	2014-04-10 18:11:00
38	driveByUpgrades	71030087	103791375399587947345009	24	76.458	2014-06-15 10:09:00
39	driveByUpgrades	67052389	101003996773236496077881	24	76.419	2013-08-22 02:14:00
40	driveByUpgrades	67548583	81076861809492385060369	23	76.102	2014-05-25 22:55:00
41	driveByUpgrades	69312569	53236388460541402997689	23	75.495	2013-12-19 08:18:00
42	driveByUpgrades	59039671	41089064479028685816929	23	75.121	2012-08-25 19:15:00
43	driveByUpgrades	69249673	38805014160261460477199	23	75.039	2013-12-08 02:41:00
44	driveByUpgrades	58113929	35004299714512481636993	23	74.890	2012-08-04 23:38:00
45	driveByUpgrades	57597613	33121580870770222088233	23	74.810	2012-09-15 05:33:00
46	driveByUpgrades	58588697	26426570917982974375601	23	74.484	2012-11-04 01:38:00
47	driveByUpgrades	67052389	25601812215250991403751	23	74.439	2013-08-22 02:14:00
48	driveByUpgrades	57065149	24900719839340744890679	23	74.399	2012-06-05 18:27:00
49	driveByUpgrades	66109319	19983076144078474176329	23	74.081	2014-07-29 20:17:00
50	driveByUpgrades	61806659	11648472237022392612871	23	73.303	2013-04-25 19:18:00
51	driveByUpgrades	61992719	11112747638430226331393	23	73.235	2013-05-06 09:02:00
52	driveByUpgrades	69852973	9971728040670360736319	22	73.078	2014-04-09 07:49:00
53	driveByUpgrades	48941273	7847497860347210941087	22	72.733	2010-02-15 07:24:00
54	driveByUpgrades	56901473	6581346920769098601241	22	72.479	2012-07-08 10:55:00