Mersenne ECM top factors

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M3546269 has a factor: 43325044907793208736625729333407 (105.095 bits)
M3178433 has a factor: 3631368832796486980067434309897 (101.518 bits)
M2260217 has a factor: 1555025824608541057475103344591 (100.295 bits)
M2775457 has a factor: 181449695163343925706480361543 (97.195 bits)
M3000317 has a factor: 14783135045527425884447628263 (93.578 bits)
M3445027 has a factor: 104707621377448800522759487 (86.436 bits)
M3072611 has a factor: 82769119169504419115685583 (86.097 bits)
M2436971 has a factor: 61240014508380558680225233 (85.663 bits)
M2148529 has a factor: 39968385530239940358743801 (85.047 bits)
M3357209 has a factor: 17510305203577729636054279 (83.856 bits)
M2966599 has a factor: 15757469667645757457189057 (83.704 bits)
M3624091 has a factor: 11925253073470849590539239 (83.302 bits)
M3727177 has a factor: 5810865395306080722990329 (82.265 bits)
M3409213 has a factor: 5497372031719522389692743 (82.185 bits)
M3558281 has a factor: 5426407386890821210216343 (82.166 bits)
M2932459 has a factor: 2312140664518728349150073 (80.936 bits)
M3573391 has a factor: 1436997312877982885739737 (80.249 bits)
M2701459 has a factor: 1336546821860721317239207 (80.145 bits)
M2670301 has a factor: 1217916723968464359178817 (80.011 bits)
M3083503 has a factor: 266823539106246632361721 (77.820 bits)
M2460527 has a factor: 261935664808138215261553 (77.794 bits)
M3315593 has a factor: 186885541283964765464297 (77.307 bits)
M3817127 has a factor: 104135443745324931864359 (76.463 bits)
M8407109 has a factor: 89191584581161140287977 (76.239 bits)
M2421443 has a factor: 72270839933024509295447 (75.936 bits)
M8417683 has a factor: 59432197728668631244409 (75.654 bits)
M3393757 has a factor: 56927198919531287168617 (75.592 bits)
M3660637 has a factor: 56121689088312748784207 (75.571 bits)
M3368413 has a factor: 30111358450054171657271 (74.673 bits)
M2786789 has a factor: 27468949250008894972727 (74.540 bits)
M2996489 has a factor: 25977709955970652545151 (74.460 bits)
M2809529 has a factor: 16302814526407999570489 (73.788 bits)
M2750261 has a factor: 16270090497993067028633 (73.785 bits)
M8783659 has a factor: 14310701141080192416943 (73.600 bits)
M3157771 has a factor: 8997137056216267118887 (72.930 bits)
M2976893 has a factor: 6291726967954709859463 (72.414 bits)
M3831781 has a factor: 6158928945996617132273 (72.383 bits)
M3778469 has a factor: 3744530109865642831247 (71.665 bits)
M3019243 has a factor: 3740335629897596794879 (71.664 bits)
M2825671 has a factor: 3703757834961830846633 (71.649 bits)
M2938729 has a factor: 2658587125684529488777 (71.171 bits)
M2929711 has a factor: 1851255918821408949049 (70.649 bits)
M2286797 has a factor: 1553105425691661176417 (70.396 bits)
M3424049 has a factor: 1379268047730525954839 (70.224 bits)
M2361017 has a factor: 1097047765555604029481 (69.894 bits)
M3649363 has a factor: 807300443638439187007 (69.452 bits)
M3416141 has a factor: 690707196578095261519 (69.227 bits)
M3368257 has a factor: 650713872648719695303 (69.141 bits)
M2865209 has a factor: 620863899225695368553 (69.073 bits)
M3128053 has a factor: 372257201098906730119 (68.335 bits)

For copy-paste to forum:

[M]M3546269[/M] has a 105.095-bit (32-digit) factor: [url=https://www.mersenne.ca/M3546269]43325044907793208736625729333407[/url] (ECM,B1=50000,B2=5000000,Sigma=1734281434773651)
[M]M3178433[/M] has a 101.518-bit (31-digit) factor: [url=https://www.mersenne.ca/M3178433]3631368832796486980067434309897[/url] (ECM,B1=50000,B2=5000000,Sigma=1149270886482021)
[M]M2260217[/M] has a 100.295-bit (31-digit) factor: [url=https://www.mersenne.ca/M2260217]1555025824608541057475103344591[/url] (ECM,B1=50000,B2=5000000,Sigma=1440833976950073)
[M]M2775457[/M] has a 97.195-bit (30-digit) factor: [url=https://www.mersenne.ca/M2775457]181449695163343925706480361543[/url] (ECM,B1=50000,B2=5000000,Sigma=8168243425637121)
[M]M3000317[/M] has a 93.578-bit (29-digit) factor: [url=https://www.mersenne.ca/M3000317]14783135045527425884447628263[/url] (ECM,B1=50000,B2=5000000)
[M]M3445027[/M] has a 86.436-bit (27-digit) factor: [url=https://www.mersenne.ca/M3445027]104707621377448800522759487[/url] (ECM,B1=50000,B2=5000000,Sigma=1473631183428437)
[M]M3072611[/M] has a 86.097-bit (26-digit) factor: [url=https://www.mersenne.ca/M3072611]82769119169504419115685583[/url] (ECM,Sigma=8744717338606684)
[M]M2436971[/M] has a 85.663-bit (26-digit) factor: [url=https://www.mersenne.ca/M2436971]61240014508380558680225233[/url] (ECM,B1=50000,B2=5000000,Sigma=7326593275185711)
[M]M2148529[/M] has a 85.047-bit (26-digit) factor: [url=https://www.mersenne.ca/M2148529]39968385530239940358743801[/url] (ECM,Sigma=129097196580117)
[M]M3357209[/M] has a 83.856-bit (26-digit) factor: [url=https://www.mersenne.ca/M3357209]17510305203577729636054279[/url] (ECM,B1=50000,B2=5000000,Sigma=5632864866618099)
[M]M2966599[/M] has a 83.704-bit (26-digit) factor: [url=https://www.mersenne.ca/M2966599]15757469667645757457189057[/url] (ECM,B1=50000,B2=5000000,Sigma=8731250546044674)
[M]M3624091[/M] has a 83.302-bit (26-digit) factor: [url=https://www.mersenne.ca/M3624091]11925253073470849590539239[/url] (ECM,B1=50000,B2=5000000,Sigma=2279602005702438)
[M]M3727177[/M] has a 82.265-bit (25-digit) factor: [url=https://www.mersenne.ca/M3727177]5810865395306080722990329[/url] (ECM,B1=50000,B2=5000000,Sigma=699135160964595)
[M]M3409213[/M] has a 82.185-bit (25-digit) factor: [url=https://www.mersenne.ca/M3409213]5497372031719522389692743[/url] (ECM,B1=50000,B2=5000000,Sigma=4349919548987696)
[M]M3558281[/M] has a 82.166-bit (25-digit) factor: [url=https://www.mersenne.ca/M3558281]5426407386890821210216343[/url] (ECM,B1=50000,B2=5000000,Sigma=3132482820477758)
[M]M2932459[/M] has a 80.936-bit (25-digit) factor: [url=https://www.mersenne.ca/M2932459]2312140664518728349150073[/url] (ECM,B1=50000,B2=5000000,Sigma=930516276420698)
[M]M3573391[/M] has a 80.249-bit (25-digit) factor: [url=https://www.mersenne.ca/M3573391]1436997312877982885739737[/url] (ECM,B1=50000,B2=5000000,Sigma=4042282835526968)
[M]M2701459[/M] has a 80.145-bit (25-digit) factor: [url=https://www.mersenne.ca/M2701459]1336546821860721317239207[/url] (ECM,B1=50000,B2=5000000,Sigma=2321214085426087)
[M]M2670301[/M] has a 80.011-bit (25-digit) factor: [url=https://www.mersenne.ca/M2670301]1217916723968464359178817[/url] (ECM,B1=50000,B2=5000000,Sigma=4065886253726230)
[M]M3083503[/M] has a 77.820-bit (24-digit) factor: [url=https://www.mersenne.ca/M3083503]266823539106246632361721[/url] (ECM,B1=50000,B2=5000000,Sigma=6228809256756255)
[M]M2460527[/M] has a 77.794-bit (24-digit) factor: [url=https://www.mersenne.ca/M2460527]261935664808138215261553[/url] (ECM,Sigma=942581058675321)
[M]M3315593[/M] has a 77.307-bit (24-digit) factor: [url=https://www.mersenne.ca/M3315593]186885541283964765464297[/url] (ECM,B1=50000,B2=5000000,Sigma=1716025464157092)
[M]M3817127[/M] has a 76.463-bit (24-digit) factor: [url=https://www.mersenne.ca/M3817127]104135443745324931864359[/url] (ECM,B1=50000,B2=5000000,Sigma=7931902489011425)
[M]M8407109[/M] has a 76.239-bit (23-digit) factor: [url=https://www.mersenne.ca/M8407109]89191584581161140287977[/url] (ECM)
[M]M2421443[/M] has a 75.936-bit (23-digit) factor: [url=https://www.mersenne.ca/M2421443]72270839933024509295447[/url] (ECM,B1=50000,B2=5000000,Sigma=7324301172820430)
[M]M8417683[/M] has a 75.654-bit (23-digit) factor: [url=https://www.mersenne.ca/M8417683]59432197728668631244409[/url] (ECM)
[M]M3393757[/M] has a 75.592-bit (23-digit) factor: [url=https://www.mersenne.ca/M3393757]56927198919531287168617[/url] (ECM,B1=50000,B2=5000000,Sigma=8499024343995547)
[M]M3660637[/M] has a 75.571-bit (23-digit) factor: [url=https://www.mersenne.ca/M3660637]56121689088312748784207[/url] (ECM,B1=50000,B2=5000000,Sigma=2640575534181352)
[M]M3368413[/M] has a 74.673-bit (23-digit) factor: [url=https://www.mersenne.ca/M3368413]30111358450054171657271[/url] (ECM,B1=50000,B2=5000000,Sigma=2633972498046182)
[M]M2786789[/M] has a 74.540-bit (23-digit) factor: [url=https://www.mersenne.ca/M2786789]27468949250008894972727[/url] (ECM,B1=50000,B2=5000000,Sigma=4881695900965560)
[M]M2996489[/M] has a 74.460-bit (23-digit) factor: [url=https://www.mersenne.ca/M2996489]25977709955970652545151[/url] (ECM,Sigma=4314336327492045)
[M]M2809529[/M] has a 73.788-bit (23-digit) factor: [url=https://www.mersenne.ca/M2809529]16302814526407999570489[/url] (ECM,B1=50000,B2=5000000,Sigma=7432320666101321)
[M]M2750261[/M] has a 73.785-bit (23-digit) factor: [url=https://www.mersenne.ca/M2750261]16270090497993067028633[/url] (ECM,Sigma=930672849575086)
[M]M8783659[/M] has a 73.600-bit (23-digit) factor: [url=https://www.mersenne.ca/M8783659]14310701141080192416943[/url] (ECM)
[M]M3157771[/M] has a 72.930-bit (22-digit) factor: [url=https://www.mersenne.ca/M3157771]8997137056216267118887[/url] (ECM,Sigma=6246449678497442)
[M]M2976893[/M] has a 72.414-bit (22-digit) factor: [url=https://www.mersenne.ca/M2976893]6291726967954709859463[/url] (ECM,Sigma=6029071473887508)
[M]M3831781[/M] has a 72.383-bit (22-digit) factor: [url=https://www.mersenne.ca/M3831781]6158928945996617132273[/url] (ECM,B1=50000,B2=5000000,Sigma=5956775374748665)
[M]M3778469[/M] has a 71.665-bit (22-digit) factor: [url=https://www.mersenne.ca/M3778469]3744530109865642831247[/url] (ECM,B1=50000,B2=5000000,Sigma=2105012251983949)
[M]M3019243[/M] has a 71.664-bit (22-digit) factor: [url=https://www.mersenne.ca/M3019243]3740335629897596794879[/url] (ECM,Sigma=8230313078728294)
[M]M2825671[/M] has a 71.649-bit (22-digit) factor: [url=https://www.mersenne.ca/M2825671]3703757834961830846633[/url] (ECM,Sigma=7066141852347439)
[M]M2938729[/M] has a 71.171-bit (22-digit) factor: [url=https://www.mersenne.ca/M2938729]2658587125684529488777[/url] (ECM,Sigma=5079552135547380)
[M]M2929711[/M] has a 70.649-bit (22-digit) factor: [url=https://www.mersenne.ca/M2929711]1851255918821408949049[/url] (ECM,B1=50000,B2=5000000,Sigma=4233097191058521)
[M]M2286797[/M] has a 70.396-bit (22-digit) factor: [url=https://www.mersenne.ca/M2286797]1553105425691661176417[/url] (ECM,Sigma=58004313918744)
[M]M3424049[/M] has a 70.224-bit (22-digit) factor: [url=https://www.mersenne.ca/M3424049]1379268047730525954839[/url] (ECM,B1=50000,B2=5000000,Sigma=4350166152988678)
[M]M2361017[/M] has a 69.894-bit (22-digit) factor: [url=https://www.mersenne.ca/M2361017]1097047765555604029481[/url] (ECM,Sigma=5921740060112785)
[M]M3649363[/M] has a 69.452-bit (21-digit) factor: [url=https://www.mersenne.ca/M3649363]807300443638439187007[/url] (ECM,B1=50000,B2=5000000,Sigma=6273249229606260)
[M]M3416141[/M] has a 69.227-bit (21-digit) factor: [url=https://www.mersenne.ca/M3416141]690707196578095261519[/url] (ECM,Sigma=2382926365593391)
[M]M3368257[/M] has a 69.141-bit (21-digit) factor: [url=https://www.mersenne.ca/M3368257]650713872648719695303[/url] (ECM,B1=50000,B2=5000000,Sigma=907585988923839)
[M]M2865209[/M] has a 69.073-bit (21-digit) factor: [url=https://www.mersenne.ca/M2865209]620863899225695368553[/url] (ECM,Sigma=3169766107333355)
[M]M3128053[/M] has a 68.335-bit (21-digit) factor: [url=https://www.mersenne.ca/M3128053]372257201098906730119[/url] (ECM,Sigma=3516671019206867)

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 C.D.B.	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 ECM factors of Mersenne numbers

Top ECM factors of all time for C.D.B.

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	C.D.B.	3546269	43325044907793208736625729333407	32	105.095	2021-05-30
2	C.D.B.	3178433	3631368832796486980067434309897	31	101.518	2021-09-08
3	C.D.B.	2260217	1555025824608541057475103344591	31	100.295	2022-04-14
4	C.D.B.	2775457	181449695163343925706480361543	30	97.195	2021-08-25
5	C.D.B.	3000317	14783135045527425884447628263	29	93.578	2014-08-01
6	C.D.B.	3445027	104707621377448800522759487	27	86.436	2021-05-18
7	C.D.B.	3072611	82769119169504419115685583	26	86.097	2020-12-25
8	C.D.B.	2436971	61240014508380558680225233	26	85.663	2022-01-09
9	C.D.B.	2148529	39968385530239940358743801	26	85.047	2020-10-31
10	C.D.B.	3357209	17510305203577729636054279	26	83.856	2022-05-03
11	C.D.B.	2966599	15757469667645757457189057	26	83.704	2022-11-29
12	C.D.B.	3624091	11925253073470849590539239	26	83.302	2022-05-18
13	C.D.B.	3727177	5810865395306080722990329	25	82.265	2022-11-12
14	C.D.B.	3409213	5497372031719522389692743	25	82.185	2021-09-16
15	C.D.B.	3558281	5426407386890821210216343	25	82.166	2021-08-30
16	C.D.B.	2932459	2312140664518728349150073	25	80.936	2022-10-20
17	C.D.B.	3573391	1436997312877982885739737	25	80.249	2022-12-11
18	C.D.B.	2701459	1336546821860721317239207	25	80.145	2021-12-05
19	C.D.B.	2670301	1217916723968464359178817	25	80.011	2022-03-20
20	C.D.B.	3083503	266823539106246632361721	24	77.820	2022-05-20
21	C.D.B.	2460527	261935664808138215261553	24	77.794	2021-04-03
22	C.D.B.	3315593	186885541283964765464297	24	77.307	2022-06-18
23	C.D.B.	3817127	104135443745324931864359	24	76.463	2022-01-20
24	C.D.B.	8407109	89191584581161140287977	23	76.239	2013-06-06
25	C.D.B.	2421443	72270839933024509295447	23	75.936	2021-09-13
26	C.D.B.	8417683	59432197728668631244409	23	75.654	2013-06-15
27	C.D.B.	3393757	56927198919531287168617	23	75.592	2022-02-15
28	C.D.B.	3660637	56121689088312748784207	23	75.571	2022-02-09
29	C.D.B.	3368413	30111358450054171657271	23	74.673	2022-01-27
30	C.D.B.	2786789	27468949250008894972727	23	74.540	2021-09-11
31	C.D.B.	2996489	25977709955970652545151	23	74.460	2021-01-28
32	C.D.B.	2809529	16302814526407999570489	23	73.788	2021-07-21
33	C.D.B.	2750261	16270090497993067028633	23	73.785	2020-12-31
34	C.D.B.	8783659	14310701141080192416943	23	73.600	2013-10-23
35	C.D.B.	3157771	8997137056216267118887	22	72.930	2020-12-26
36	C.D.B.	2976893	6291726967954709859463	22	72.414	2021-03-19
37	C.D.B.	3831781	6158928945996617132273	22	72.383	2022-02-09
38	C.D.B.	3778469	3744530109865642831247	22	71.665	2022-03-27
39	C.D.B.	3019243	3740335629897596794879	22	71.664	2020-12-30
40	C.D.B.	2825671	3703757834961830846633	22	71.649	2021-03-16
41	C.D.B.	2938729	2658587125684529488777	22	71.171	2021-04-23
42	C.D.B.	2929711	1851255918821408949049	22	70.649	2022-03-24
43	C.D.B.	2286797	1553105425691661176417	22	70.396	2020-11-06
44	C.D.B.	3424049	1379268047730525954839	22	70.224	2022-04-14
45	C.D.B.	2361017	1097047765555604029481	22	69.894	2020-11-11
46	C.D.B.	3649363	807300443638439187007	21	69.452	2021-08-08
47	C.D.B.	3416141	690707196578095261519	21	69.227	2021-03-14
48	C.D.B.	3368257	650713872648719695303	21	69.141	2021-08-10
49	C.D.B.	2865209	620863899225695368553	21	69.073	2020-11-27
50	C.D.B.	3128053	372257201098906730119	21	68.335	2021-02-19