Mersenne ECM top factors

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M1026061 has a factor: 185061828985181259932627927 (87.258 bits)
M1036831 has a factor: 6992206993412721781914649 (82.532 bits)
M1100311 has a factor: 6927910147476903924923249 (82.519 bits)
M1057577 has a factor: 4082227221590511455679361 (81.756 bits)
M1002553 has a factor: 130631558186504583700511 (76.790 bits)
M1030417 has a factor: 77414290677234005693351 (76.035 bits)
M997201 has a factor: 40825274919675564171761 (75.112 bits)
M1068409 has a factor: 38775692736882612683929 (75.038 bits)
M1047589 has a factor: 22244650932418095797857 (74.236 bits)
M1110103 has a factor: 10562944499158232830673 (73.161 bits)
M1087789 has a factor: 4344150784974920942783 (71.880 bits)
M1064269 has a factor: 2785682197354799081161 (71.239 bits)
M527071 has a factor: 2316218643475234093633 (70.972 bits)
M1047341 has a factor: 1145779911982107628223 (69.957 bits)
M1101283 has a factor: 623237200216644975737 (69.078 bits)
M1100357 has a factor: 418576368277016453111 (68.504 bits)
M1098847 has a factor: 342058773631563846967 (68.213 bits)
M1100921 has a factor: 291118150435878730759 (67.980 bits)
M3938351 has a factor: 222219980405307847049 (67.591 bits)
M998989 has a factor: 93809332985926663879 (66.346 bits)
M1076443 has a factor: 23620986551346633479 (64.357 bits)

For copy-paste to forum:

[M]M1026061[/M] has a 87.258-bit (27-digit) factor: [url=https://www.mersenne.ca/M1026061]185061828985181259932627927[/url] (ECM)
[M]M1036831[/M] has a 82.532-bit (25-digit) factor: [url=https://www.mersenne.ca/M1036831]6992206993412721781914649[/url] (ECM)
[M]M1100311[/M] has a 82.519-bit (25-digit) factor: [url=https://www.mersenne.ca/M1100311]6927910147476903924923249[/url] (ECM)
[M]M1057577[/M] has a 81.756-bit (25-digit) factor: [url=https://www.mersenne.ca/M1057577]4082227221590511455679361[/url] (ECM)
[M]M1002553[/M] has a 76.790-bit (24-digit) factor: [url=https://www.mersenne.ca/M1002553]130631558186504583700511[/url] (ECM)
[M]M1030417[/M] has a 76.035-bit (23-digit) factor: [url=https://www.mersenne.ca/M1030417]77414290677234005693351[/url] (ECM)
[M]M997201[/M] has a 75.112-bit (23-digit) factor: [url=https://www.mersenne.ca/M997201]40825274919675564171761[/url] (ECM)
[M]M1068409[/M] has a 75.038-bit (23-digit) factor: [url=https://www.mersenne.ca/M1068409]38775692736882612683929[/url] (ECM)
[M]M1047589[/M] has a 74.236-bit (23-digit) factor: [url=https://www.mersenne.ca/M1047589]22244650932418095797857[/url] (ECM)
[M]M1110103[/M] has a 73.161-bit (23-digit) factor: [url=https://www.mersenne.ca/M1110103]10562944499158232830673[/url] (ECM)
[M]M1087789[/M] has a 71.880-bit (22-digit) factor: [url=https://www.mersenne.ca/M1087789]4344150784974920942783[/url] (ECM)
[M]M1064269[/M] has a 71.239-bit (22-digit) factor: [url=https://www.mersenne.ca/M1064269]2785682197354799081161[/url] (ECM)
[M]M527071[/M] has a 70.972-bit (22-digit) factor: [url=https://www.mersenne.ca/M527071]2316218643475234093633[/url] (ECM)
[M]M1047341[/M] has a 69.957-bit (22-digit) factor: [url=https://www.mersenne.ca/M1047341]1145779911982107628223[/url] (ECM)
[M]M1101283[/M] has a 69.078-bit (21-digit) factor: [url=https://www.mersenne.ca/M1101283]623237200216644975737[/url] (ECM)
[M]M1100357[/M] has a 68.504-bit (21-digit) factor: [url=https://www.mersenne.ca/M1100357]418576368277016453111[/url] (ECM)
[M]M1098847[/M] has a 68.213-bit (21-digit) factor: [url=https://www.mersenne.ca/M1098847]342058773631563846967[/url] (ECM)
[M]M1100921[/M] has a 67.980-bit (21-digit) factor: [url=https://www.mersenne.ca/M1100921]291118150435878730759[/url] (ECM)
[M]M3938351[/M] has a 67.591-bit (21-digit) factor: [url=https://www.mersenne.ca/M3938351]222219980405307847049[/url] (ECM)
[M]M998989[/M] has a 66.346-bit (20-digit) factor: [url=https://www.mersenne.ca/M998989]93809332985926663879[/url] (ECM)
[M]M1076443[/M] has a 64.357-bit (20-digit) factor: [url=https://www.mersenne.ca/M1076443]23620986551346633479[/url] (ECM)

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

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Top ECM factors of Mersenne numbers

Top ECM factors of all time for 561

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	561	1026061	185061828985181259932627927	27	87.258	2013-10-11
2	561	1036831	6992206993412721781914649	25	82.532	2013-10-31
3	561	1100311	6927910147476903924923249	25	82.519	2013-10-12
4	561	1057577	4082227221590511455679361	25	81.756	2013-08-28
5	561	1002553	130631558186504583700511	24	76.790	2013-11-29
6	561	1030417	77414290677234005693351	23	76.035	2013-08-14
7	561	997201	40825274919675564171761	23	75.112	2013-11-28
8	561	1068409	38775692736882612683929	23	75.038	2013-11-28
9	561	1047589	22244650932418095797857	23	74.236	2013-08-22
10	561	1110103	10562944499158232830673	23	73.161	2013-10-29
11	561	1087789	4344150784974920942783	22	71.880	2013-09-24
12	561	1064269	2785682197354799081161	22	71.239	2013-11-21
13	561	527071	2316218643475234093633	22	70.972	2012-03-31
14	561	1047341	1145779911982107628223	22	69.957	2013-08-22
15	561	1101283	623237200216644975737	21	69.078	2013-10-14
16	561	1100357	418576368277016453111	21	68.504	2013-10-12
17	561	1098847	342058773631563846967	21	68.213	2013-10-13
18	561	1100921	291118150435878730759	21	67.980	2013-07-29
19	561	3938351	222219980405307847049	21	67.591	2012-10-28
20	561	998989	93809332985926663879	20	66.346	2013-11-23
21	561	1076443	23620986551346633479	20	64.357	2013-09-13