Mersenne ECM top factors

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M3410711 has a factor: 667145834083676436874303 (79.142 bits)
M6136121 has a factor: 507999363890926200013697 (78.749 bits)
M6338207 has a factor: 319253194201180633266127 (78.079 bits)
M3383239 has a factor: 96358292835530825104801 (76.351 bits)
M3469373 has a factor: 33150138905464200114503 (74.811 bits)
M1964561 has a factor: 26889053698350024102223 (74.509 bits)
M1871621 has a factor: 17467307992773431840263 (73.887 bits)
M1791683 has a factor: 14802241025905902487063 (73.648 bits)
M6070543 has a factor: 14510750651854508841631 (73.620 bits)
M3431587 has a factor: 7052601312751009100641 (72.579 bits)
M1980401 has a factor: 6448623155121108382529 (72.449 bits)
M3435361 has a factor: 3196713498787178222159 (71.437 bits)
M6859003 has a factor: 1738537541101092998423 (70.558 bits)
M3533113 has a factor: 803779523837861135849 (69.445 bits)
M6309547 has a factor: 803757711127304248681 (69.445 bits)
M6865039 has a factor: 785148806897438189593 (69.412 bits)
M1768553 has a factor: 571045521227238040967 (68.952 bits)
M6092729 has a factor: 493906972392010561897 (68.743 bits)
M3545207 has a factor: 333165157850334846119 (68.175 bits)
M6272213 has a factor: 141927950834658108863 (66.944 bits)
M3417251 has a factor: 110384933062122488017 (66.581 bits)
M5896243 has a factor: 89288539263681711553 (66.275 bits)
M5981749 has a factor: 79863419961489847777 (66.114 bits)
M1973563 has a factor: 55516051032175287847 (65.590 bits)
M3399127 has a factor: 48755014478687390761 (65.402 bits)
M6454213 has a factor: 21596488790372532727 (64.227 bits)
M2957023 has a factor: 20088168318983403481 (64.123 bits)
M6180953 has a factor: 18756439489718346473 (64.024 bits)
M3071869 has a factor: 16792793121018695153 (63.864 bits)
M1823599 has a factor: 15741511980237438079 (63.771 bits)
M3477587 has a factor: 15379176941332687591 (63.738 bits)
M1792433 has a factor: 10139507478293373391 (63.137 bits)
M2230721 has a factor: 5120088950610025351 (62.151 bits)
M1676303 has a factor: 2013158769733643641 (60.804 bits)
M1836433 has a factor: 1833759135139922743 (60.670 bits)
M1987477 has a factor: 449476278792009289 (58.641 bits)

For copy-paste to forum:

[M]M3410711[/M] has a 79.142-bit (24-digit) factor: [url=https://www.mersenne.ca/M3410711]667145834083676436874303[/url] (ECM)
[M]M6136121[/M] has a 78.749-bit (24-digit) factor: [url=https://www.mersenne.ca/M6136121]507999363890926200013697[/url] (ECM)
[M]M6338207[/M] has a 78.079-bit (24-digit) factor: [url=https://www.mersenne.ca/M6338207]319253194201180633266127[/url] (ECM)
[M]M3383239[/M] has a 76.351-bit (23-digit) factor: [url=https://www.mersenne.ca/M3383239]96358292835530825104801[/url] (ECM)
[M]M3469373[/M] has a 74.811-bit (23-digit) factor: [url=https://www.mersenne.ca/M3469373]33150138905464200114503[/url] (ECM)
[M]M1964561[/M] has a 74.509-bit (23-digit) factor: [url=https://www.mersenne.ca/M1964561]26889053698350024102223[/url] (ECM)
[M]M1871621[/M] has a 73.887-bit (23-digit) factor: [url=https://www.mersenne.ca/M1871621]17467307992773431840263[/url] (ECM)
[M]M1791683[/M] has a 73.648-bit (23-digit) factor: [url=https://www.mersenne.ca/M1791683]14802241025905902487063[/url] (ECM)
[M]M6070543[/M] has a 73.620-bit (23-digit) factor: [url=https://www.mersenne.ca/M6070543]14510750651854508841631[/url] (ECM)
[M]M3431587[/M] has a 72.579-bit (22-digit) factor: [url=https://www.mersenne.ca/M3431587]7052601312751009100641[/url] (ECM)
[M]M1980401[/M] has a 72.449-bit (22-digit) factor: [url=https://www.mersenne.ca/M1980401]6448623155121108382529[/url] (ECM)
[M]M3435361[/M] has a 71.437-bit (22-digit) factor: [url=https://www.mersenne.ca/M3435361]3196713498787178222159[/url] (ECM)
[M]M6859003[/M] has a 70.558-bit (22-digit) factor: [url=https://www.mersenne.ca/M6859003]1738537541101092998423[/url] (ECM)
[M]M3533113[/M] has a 69.445-bit (21-digit) factor: [url=https://www.mersenne.ca/M3533113]803779523837861135849[/url] (ECM)
[M]M6309547[/M] has a 69.445-bit (21-digit) factor: [url=https://www.mersenne.ca/M6309547]803757711127304248681[/url] (ECM)
[M]M6865039[/M] has a 69.412-bit (21-digit) factor: [url=https://www.mersenne.ca/M6865039]785148806897438189593[/url] (ECM)
[M]M1768553[/M] has a 68.952-bit (21-digit) factor: [url=https://www.mersenne.ca/M1768553]571045521227238040967[/url] (ECM)
[M]M6092729[/M] has a 68.743-bit (21-digit) factor: [url=https://www.mersenne.ca/M6092729]493906972392010561897[/url] (ECM)
[M]M3545207[/M] has a 68.175-bit (21-digit) factor: [url=https://www.mersenne.ca/M3545207]333165157850334846119[/url] (ECM)
[M]M6272213[/M] has a 66.944-bit (21-digit) factor: [url=https://www.mersenne.ca/M6272213]141927950834658108863[/url] (ECM)
[M]M3417251[/M] has a 66.581-bit (21-digit) factor: [url=https://www.mersenne.ca/M3417251]110384933062122488017[/url] (ECM)
[M]M5896243[/M] has a 66.275-bit (20-digit) factor: [url=https://www.mersenne.ca/M5896243]89288539263681711553[/url] (ECM)
[M]M5981749[/M] has a 66.114-bit (20-digit) factor: [url=https://www.mersenne.ca/M5981749]79863419961489847777[/url] (ECM)
[M]M1973563[/M] has a 65.590-bit (20-digit) factor: [url=https://www.mersenne.ca/M1973563]55516051032175287847[/url] (ECM)
[M]M3399127[/M] has a 65.402-bit (20-digit) factor: [url=https://www.mersenne.ca/M3399127]48755014478687390761[/url] (ECM)
[M]M6454213[/M] has a 64.227-bit (20-digit) factor: [url=https://www.mersenne.ca/M6454213]21596488790372532727[/url] (ECM)
[M]M2957023[/M] has a 64.123-bit (20-digit) factor: [url=https://www.mersenne.ca/M2957023]20088168318983403481[/url] (ECM)
[M]M6180953[/M] has a 64.024-bit (20-digit) factor: [url=https://www.mersenne.ca/M6180953]18756439489718346473[/url] (ECM)
[M]M3071869[/M] has a 63.864-bit (20-digit) factor: [url=https://www.mersenne.ca/M3071869]16792793121018695153[/url] (ECM)
[M]M1823599[/M] has a 63.771-bit (20-digit) factor: [url=https://www.mersenne.ca/M1823599]15741511980237438079[/url] (ECM)
[M]M3477587[/M] has a 63.738-bit (20-digit) factor: [url=https://www.mersenne.ca/M3477587]15379176941332687591[/url] (ECM)
[M]M1792433[/M] has a 63.137-bit (20-digit) factor: [url=https://www.mersenne.ca/M1792433]10139507478293373391[/url] (ECM)
[M]M2230721[/M] has a 62.151-bit (19-digit) factor: [url=https://www.mersenne.ca/M2230721]5120088950610025351[/url] (ECM)
[M]M1676303[/M] has a 60.804-bit (19-digit) factor: [url=https://www.mersenne.ca/M1676303]2013158769733643641[/url] (ECM)
[M]M1836433[/M] has a 60.670-bit (19-digit) factor: [url=https://www.mersenne.ca/M1836433]1833759135139922743[/url] (ECM)
[M]M1987477[/M] has a 58.641-bit (18-digit) factor: [url=https://www.mersenne.ca/M1987477]449476278792009289[/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 Piepen

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Piepen	3410711	667145834083676436874303	24	79.142	2012-01-04
2	Piepen	6136121	507999363890926200013697	24	78.749	2011-08-29
3	Piepen	6338207	319253194201180633266127	24	78.079	2012-02-26
4	Piepen	3383239	96358292835530825104801	23	76.351	2011-12-15
5	Piepen	3469373	33150138905464200114503	23	74.811	2009-07-18
6	Piepen	1964561	26889053698350024102223	23	74.509	2009-08-21
7	Piepen	1871621	17467307992773431840263	23	73.887	2009-07-25
8	Piepen	1791683	14802241025905902487063	23	73.648	2009-07-12
9	Piepen	6070543	14510750651854508841631	23	73.620	2011-08-09
10	Piepen	3431587	7052601312751009100641	22	72.579	2012-01-19
11	Piepen	1980401	6448623155121108382529	22	72.449	2009-08-30
12	Piepen	3435361	3196713498787178222159	22	71.437	2012-01-22
13	Piepen	6859003	1738537541101092998423	22	70.558	2012-07-22
14	Piepen	3533113	803779523837861135849	21	69.445	2012-04-04
15	Piepen	6309547	803757711127304248681	21	69.445	2011-11-01
16	Piepen	6865039	785148806897438189593	21	69.412	2012-07-25
17	Piepen	1768553	571045521227238040967	21	68.952	2009-10-12
18	Piepen	6092729	493906972392010561897	21	68.743	2011-08-18
19	Piepen	3545207	333165157850334846119	21	68.175	2012-04-08
20	Piepen	6272213	141927950834658108863	21	66.944	2011-10-16
21	Piepen	3417251	110384933062122488017	21	66.581	2012-01-10
22	Piepen	5896243	89288539263681711553	20	66.275	2011-06-20
23	Piepen	5981749	79863419961489847777	20	66.114	2011-07-08
24	Piepen	1973563	55516051032175287847	20	65.590	2009-08-25
25	Piepen	3399127	48755014478687390761	20	65.402	2011-12-27
26	Piepen	6454213	21596488790372532727	20	64.227	2011-12-24
27	Piepen	2957023	20088168318983403481	20	64.123	2009-10-05
28	Piepen	6180953	18756439489718346473	20	64.024	2011-09-16
29	Piepen	3071869	16792793121018695153	20	63.864	2009-06-24
30	Piepen	1823599	15741511980237438079	20	63.771	2009-10-16
31	Piepen	3477587	15379176941332687591	20	63.738	2012-02-24
32	Piepen	1792433	10139507478293373391	20	63.137	2009-07-12
33	Piepen	2230721	5120088950610025351	19	62.151	2009-12-24
34	Piepen	1676303	2013158769733643641	19	60.804	2009-09-17
35	Piepen	1836433	1833759135139922743	19	60.670	2009-07-21
36	Piepen	1987477	449476278792009289	18	58.641	2009-09-02