Mersenne P-1 top factors

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M112084657 has a factor: 1600346782413225832691898697103973353256067499521 (160.131 bits)
M53297821 has a factor: 369952925606532942373603199517480717271799 (138.086 bits)
M108316331 has a factor: 4748876008595777234809387978603489 (111.871 bits)
M113400899 has a factor: 590665882916839121138706341173871 (108.864 bits)
M62205631 has a factor: 191466708698425301809802636942081 (107.239 bits)
M115172117 has a factor: 2488496141659011694690656396137 (100.973 bits)
M78455941 has a factor: 964845520660714110445132227959 (99.606 bits)
M61250381 has a factor: 461005492170719447971660474177 (98.541 bits)
M113076559 has a factor: 229904281138151649356554790047 (97.537 bits)
M61744549 has a factor: 168075055153451148339566602297 (97.085 bits)
M109151303 has a factor: 65098847133437003038304743879 (95.717 bits)
M108262067 has a factor: 23401700680930604235987284719 (94.241 bits)
M113825477 has a factor: 7126595056515076412487402641 (92.525 bits)
M112116617 has a factor: 5968985441755649298827345521 (92.270 bits)
M109767881 has a factor: 2247334837052606240686935049 (90.860 bits)
M81555167 has a factor: 1903453833722902975954490857 (90.621 bits)
M88083253 has a factor: 693788267992582229787519673 (89.165 bits)
M108529913 has a factor: 331695943539012685521758593 (88.100 bits)
M117009821 has a factor: 328216463636623532948679529 (88.085 bits)
M81836849 has a factor: 172896250090130363853271057 (87.160 bits)
M108328951 has a factor: 117237695379470274606719089 (86.600 bits)
M61649899 has a factor: 115978996465000423335207871 (86.584 bits)
M110434399 has a factor: 20273557484677456899787871 (84.068 bits)
M111987107 has a factor: 14301892192368884214004681 (83.564 bits)
M8234033 has a factor: 6013283057298954033261689 (82.314 bits)
M108296779 has a factor: 4563883135825800601818233 (81.917 bits)
M108117931 has a factor: 4427645293435484118680191 (81.873 bits)
M108515557 has a factor: 4119569115518197536386887 (81.769 bits)
M108252511 has a factor: 2308675763796166483555673 (80.933 bits)
M108291233 has a factor: 1184468968890672018361681 (79.971 bits)
M85905367 has a factor: 934435886378629029514033 (79.628 bits)
M103956971 has a factor: 792503212432202364583801 (79.391 bits)
M108123151 has a factor: 463134148643374850965751 (78.616 bits)
M108206947 has a factor: 423730008137737375111729 (78.487 bits)
M112084657 has a factor: 408942596393398983090401 (78.436 bits)
M112123493 has a factor: 369580869926146583918449 (78.290 bits)
M107793883 has a factor: 263853312786068070300679 (77.804 bits)
M46664809 has a factor: 233025253765902079545257 (77.625 bits)
M108435463 has a factor: 166082384306844209832569 (77.136 bits)
M97388611 has a factor: 107653599012618660746761 (76.511 bits)
M100480439 has a factor: 85035304322466154949233 (76.170 bits)
M76916339 has a factor: 62375349266363590866041 (75.723 bits)
M7853737 has a factor: 1431020668072132398607 (70.278 bits)

For copy-paste to forum:

[M]M112084657[/M] has a 160.131-bit (49-digit) factor: [url=https://www.mersenne.ca/M112084657]1600346782413225832691898697103973353256067499521[/url] (P-1,B1=824000,B2=242053350)
[M]M53297821[/M] has a 138.086-bit (42-digit) factor: [url=https://www.mersenne.ca/M53297821]369952925606532942373603199517480717271799[/url] (P-1,B1=5000000,B2=200000000,E=12)
[M]M108316331[/M] has a 111.871-bit (34-digit) factor: [url=https://www.mersenne.ca/M108316331]4748876008595777234809387978603489[/url] (P-1,B1=1070000,B2=204164730)
[M]M113400899[/M] has a 108.864-bit (33-digit) factor: [url=https://www.mersenne.ca/M113400899]590665882916839121138706341173871[/url] (P-1,B1=817000,B2=245673120)
[M]M62205631[/M] has a 107.239-bit (33-digit) factor: [url=https://www.mersenne.ca/M62205631]191466708698425301809802636942081[/url] (P-1,B1=5000000,B2=3306377340)
[M]M115172117[/M] has a 100.973-bit (31-digit) factor: [url=https://www.mersenne.ca/M115172117]2488496141659011694690656396137[/url] (P-1,B1=813000,B2=248916360)
[M]M78455941[/M] has a 99.606-bit (30-digit) factor: [url=https://www.mersenne.ca/M78455941]964845520660714110445132227959[/url] (P-1,B1=1500000,B2=662363520)
[M]M61250381[/M] has a 98.541-bit (30-digit) factor: [url=https://www.mersenne.ca/M61250381]461005492170719447971660474177[/url] (P-1,B1=5000000,B2=3306377340)
[M]M113076559[/M] has a 97.537-bit (30-digit) factor: [url=https://www.mersenne.ca/M113076559]229904281138151649356554790047[/url] (P-1,B1=1230000,B2=1230000)
[M]M61744549[/M] has a 97.085-bit (30-digit) factor: [url=https://www.mersenne.ca/M61744549]168075055153451148339566602297[/url] (P-1,B1=2000000,B2=4738583)
[M]M109151303[/M] has a 95.717-bit (29-digit) factor: [url=https://www.mersenne.ca/M109151303]65098847133437003038304743879[/url] (P-1,B1=1123000,B2=207079950)
[M]M108262067[/M] has a 94.241-bit (29-digit) factor: [url=https://www.mersenne.ca/M108262067]23401700680930604235987284719[/url] (P-1,B1=1130000,B2=220771320)
[M]M113825477[/M] has a 92.525-bit (28-digit) factor: [url=https://www.mersenne.ca/M113825477]7126595056515076412487402641[/url] (P-1,B1=795000,B2=795000)
[M]M112116617[/M] has a 92.270-bit (28-digit) factor: [url=https://www.mersenne.ca/M112116617]5968985441755649298827345521[/url] (P-1,B1=824000,B2=242053350)
[M]M109767881[/M] has a 90.860-bit (28-digit) factor: [url=https://www.mersenne.ca/M109767881]2247334837052606240686935049[/url] (P-1,B1=1129000,B2=215238870)
[M]M81555167[/M] has a 90.621-bit (28-digit) factor: [url=https://www.mersenne.ca/M81555167]1903453833722902975954490857[/url] (P-1,B1=1402000,B2=596993670)
[M]M88083253[/M] has a 89.165-bit (27-digit) factor: [url=https://www.mersenne.ca/M88083253]693788267992582229787519673[/url] (P-1,B1=1000000,B2=60000000)
[M]M108529913[/M] has a 88.100-bit (27-digit) factor: [url=https://www.mersenne.ca/M108529913]331695943539012685521758593[/url] (P-1,B1=1133000,B2=219997470)
[M]M117009821[/M] has a 88.085-bit (27-digit) factor: [url=https://www.mersenne.ca/M117009821]328216463636623532948679529[/url] (P-1,B1=792000,B2=792000)
[M]M81836849[/M] has a 87.160-bit (27-digit) factor: [url=https://www.mersenne.ca/M81836849]172896250090130363853271057[/url] (P-1,B1=685000,B2=13015000)
[M]M108328951[/M] has a 86.600-bit (27-digit) factor: [url=https://www.mersenne.ca/M108328951]117237695379470274606719089[/url] (P-1,B1=1070000,B2=204164730)
[M]M61649899[/M] has a 86.584-bit (27-digit) factor: [url=https://www.mersenne.ca/M61649899]115978996465000423335207871[/url] (P-1,B1=5000000,B2=405000000)
[M]M110434399[/M] has a 84.068-bit (26-digit) factor: [url=https://www.mersenne.ca/M110434399]20273557484677456899787871[/url] (P-1,B1=1096000,B2=198752400)
[M]M111987107[/M] has a 83.564-bit (26-digit) factor: [url=https://www.mersenne.ca/M111987107]14301892192368884214004681[/url] (P-1,B1=3500000,B2=255500000)
[M]M8234033[/M] has a 82.314-bit (25-digit) factor: [url=https://www.mersenne.ca/M8234033]6013283057298954033261689[/url] (P-1,B1=25000000,B2=3075000000)
[M]M108296779[/M] has a 81.917-bit (25-digit) factor: [url=https://www.mersenne.ca/M108296779]4563883135825800601818233[/url] (P-1,B1=1122000,B2=221563650)
[M]M108117931[/M] has a 81.873-bit (25-digit) factor: [url=https://www.mersenne.ca/M108117931]4427645293435484118680191[/url] (P-1,B1=1120000,B2=220764390)
[M]M108515557[/M] has a 81.769-bit (25-digit) factor: [url=https://www.mersenne.ca/M108515557]4119569115518197536386887[/url] (P-1,B1=1132000,B2=220766700)
[M]M108252511[/M] has a 80.933-bit (25-digit) factor: [url=https://www.mersenne.ca/M108252511]2308675763796166483555673[/url] (P-1,B1=1130000,B2=1130000)
[M]M108291233[/M] has a 79.971-bit (25-digit) factor: [url=https://www.mersenne.ca/M108291233]1184468968890672018361681[/url] (P-1,B1=1122000,B2=221535930)
[M]M85905367[/M] has a 79.628-bit (24-digit) factor: [url=https://www.mersenne.ca/M85905367]934435886378629029514033[/url] (P-1,B1=1600000,B2=659215830)
[M]M103956971[/M] has a 79.391-bit (24-digit) factor: [url=https://www.mersenne.ca/M103956971]792503212432202364583801[/url] (P-1,B1=2000000,B2=60000000)
[M]M108123151[/M] has a 78.616-bit (24-digit) factor: [url=https://www.mersenne.ca/M108123151]463134148643374850965751[/url] (P-1,B1=1120000,B2=220764390)
[M]M108206947[/M] has a 78.487-bit (24-digit) factor: [url=https://www.mersenne.ca/M108206947]423730008137737375111729[/url] (P-1,B1=1129000,B2=220762080)
[M]M112084657[/M] has a 78.436-bit (24-digit) factor: [url=https://www.mersenne.ca/M112084657]408942596393398983090401[/url] (P-1,B1=824000,B2=242053350)
[M]M112123493[/M] has a 78.290-bit (24-digit) factor: [url=https://www.mersenne.ca/M112123493]369580869926146583918449[/url] (P-1,B1=824000,B2=242053350)
[M]M107793883[/M] has a 77.804-bit (24-digit) factor: [url=https://www.mersenne.ca/M107793883]263853312786068070300679[/url] (P-1,B1=3500000,B2=248500000)
[M]M46664809[/M] has a 77.625-bit (24-digit) factor: [url=https://www.mersenne.ca/M46664809]233025253765902079545257[/url] (P-1)
[M]M108435463[/M] has a 77.136-bit (24-digit) factor: [url=https://www.mersenne.ca/M108435463]166082384306844209832569[/url] (P-1,B1=1132000,B2=219165870)
[M]M97388611[/M] has a 76.511-bit (24-digit) factor: [url=https://www.mersenne.ca/M97388611]107653599012618660746761[/url] (P-1,B1=915000,B2=21045000,E=12)
[M]M100480439[/M] has a 76.170-bit (23-digit) factor: [url=https://www.mersenne.ca/M100480439]85035304322466154949233[/url] (P-1,B1=1000000,B2=60000000)
[M]M76916339[/M] has a 75.723-bit (23-digit) factor: [url=https://www.mersenne.ca/M76916339]62375349266363590866041[/url] (P-1,B1=882000,B2=380122890)
[M]M7853737[/M] has a 70.278-bit (22-digit) factor: [url=https://www.mersenne.ca/M7853737]1431020668072132398607[/url] (P-1,B1=20000000,B2=2000000000,E=12)

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 Jan S.	nfs	ecm	p-1	p+1	any
Biggest factors (all users)	nfs	ecm	p-1	p+1	any
Recent factors (all users)	nfs	ecm	p-1	p+1	any
Search by user	nfs	ecm	p-1	p+1	any

Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for Jan S.

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Jan S.	112084657	1600346782413225832691898697103973353256067499521	49	160.131	2022-04-19
2	Jan S.	53297821	369952925606532942373603199517480717271799	42	138.086	2020-08-05
3	Jan S.	108316331	4748876008595777234809387978603489	34	111.871	2022-01-05
4	Jan S.	113400899	590665882916839121138706341173871	33	108.864	2022-12-01
5	Jan S.	62205631	191466708698425301809802636942081	33	107.239	2022-09-27
6	Jan S.	115172117	2488496141659011694690656396137	31	100.973	2022-05-16
7	Jan S.	78455941	964845520660714110445132227959	30	99.606	2023-01-14
8	Jan S.	61250381	461005492170719447971660474177	30	98.541	2022-06-18
9	Jan S.	113076559	229904281138151649356554790047	30	97.537	2022-03-31
10	Jan S.	61744549	168075055153451148339566602297	30	97.085	2022-08-14
11	Jan S.	109151303	65098847133437003038304743879	29	95.717	2021-12-28
12	Jan S.	108262067	23401700680930604235987284719	29	94.241	2022-01-02
13	Jan S.	113825477	7126595056515076412487402641	28	92.525	2022-05-13
14	Jan S.	112116617	5968985441755649298827345521	28	92.270	2022-04-25
15	Jan S.	109767881	2247334837052606240686935049	28	90.860	2022-02-23
16	Jan S.	81555167	1903453833722902975954490857	28	90.621	2023-04-04
17	Jan S.	88083253	693788267992582229787519673	27	89.165	2020-12-16
18	Jan S.	108529913	331695943539012685521758593	27	88.100	2022-01-19
19	Jan S.	117009821	328216463636623532948679529	27	88.085	2022-11-27
20	Jan S.	81836849	172896250090130363853271057	27	87.160	2017-06-28
21	Jan S.	108328951	117237695379470274606719089	27	86.600	2022-01-06
22	Jan S.	61649899	115978996465000423335207871	27	86.584	2021-08-08
23	Jan S.	110434399	20273557484677456899787871	26	84.068	2022-02-24
24	Jan S.	111987107	14301892192368884214004681	26	83.564	2021-07-31
25	Jan S.	8234033	6013283057298954033261689	25	82.314	2021-11-22
26	Jan S.	108296779	4563883135825800601818233	25	81.917	2022-01-04
27	Jan S.	108117931	4427645293435484118680191	25	81.873	2021-12-22
28	Jan S.	108515557	4119569115518197536386887	25	81.769	2022-01-19
29	Jan S.	108252511	2308675763796166483555673	25	80.933	2022-01-02
30	Jan S.	108291233	1184468968890672018361681	25	79.971	2022-01-04
31	Jan S.	85905367	934435886378629029514033	24	79.628	2022-11-12
32	Jan S.	103956971	792503212432202364583801	24	79.391	2021-09-19
33	Jan S.	108123151	463134148643374850965751	24	78.616	2021-12-23
34	Jan S.	108206947	423730008137737375111729	24	78.487	2021-12-31
35	Jan S.	112084657	408942596393398983090401	24	78.436	2022-04-19
36	Jan S.	112123493	369580869926146583918449	24	78.290	2022-04-28
37	Jan S.	107793883	263853312786068070300679	24	77.804	2021-07-08
38	Jan S.	46664809	233025253765902079545257	24	77.625	2010-04-11
39	Jan S.	108435463	166082384306844209832569	24	77.136	2022-01-11
40	Jan S.	97388611	107653599012618660746761	24	76.511	2019-10-12
41	Jan S.	100480439	85035304322466154949233	23	76.170	2020-10-22
42	Jan S.	76916339	62375349266363590866041	23	75.723	2022-10-17
43	Jan S.	7853737	1431020668072132398607	22	70.278	2020-08-26