Mersenne ECM top factors

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M1761379 has a factor: 80587723588303424583448951 (86.059 bits)
M1554697 has a factor: 22657958193566764465737367 (84.228 bits)
M877567 has a factor: 12853596368313442187354599 (83.410 bits)
M1908769 has a factor: 1769140571673700893045319 (80.549 bits)
M1781057 has a factor: 1409621076809697139507943 (80.222 bits)
M1927789 has a factor: 208876447847117021672257 (77.467 bits)
M1921253 has a factor: 128702706382230166193479 (76.768 bits)
M1714057 has a factor: 116007798419238668694937 (76.619 bits)
M1733729 has a factor: 70695011347061670945119 (75.904 bits)
M1954349 has a factor: 35146811501953528926833 (74.896 bits)
M1590101 has a factor: 34671577534065185968817 (74.876 bits)
M1875997 has a factor: 13940983978628037638647 (73.562 bits)
M1466657 has a factor: 10743875795193259134049 (73.186 bits)
M1909087 has a factor: 8579826909736069987793 (72.861 bits)
M766313 has a factor: 2300930436001857107753 (70.963 bits)
M2549111 has a factor: 1981034319920399155961 (70.747 bits)
M1478723 has a factor: 1036039909593387301129 (69.812 bits)
M1802909 has a factor: 630450195897287262929 (69.095 bits)
M1859057 has a factor: 505084033334406018209 (68.775 bits)
M1905121 has a factor: 465613235682410259313 (68.658 bits)
M1897601 has a factor: 414661196346726499151 (68.490 bits)
M2737309 has a factor: 278300963139667434287 (67.915 bits)
M1921103 has a factor: 263735746411452971833 (67.838 bits)
M1454053 has a factor: 187724529080297627417 (67.347 bits)
M2592913 has a factor: 136469220978288365617 (66.887 bits)
M1462193 has a factor: 126725502308757099017 (66.780 bits)
M1569551 has a factor: 109958875511616721783 (66.576 bits)
M840703 has a factor: 86641324289487893977 (66.232 bits)
M1870067 has a factor: 84066344366268239887 (66.188 bits)
M1555193 has a factor: 56170295733858220177 (65.606 bits)
M1997701 has a factor: 50843471063268951703 (65.463 bits)
M1503883 has a factor: 21322402874503676527 (64.209 bits)
M1907371 has a factor: 11158339414813324927 (63.275 bits)
M1924231 has a factor: 9561837487543689967 (63.052 bits)
M2694173 has a factor: 7204432724023299503 (62.644 bits)
M1340033 has a factor: 1521421966258779847 (60.400 bits)

For copy-paste to forum:

[M]M1761379[/M] has a 86.059-bit (26-digit) factor: [url=https://www.mersenne.ca/M1761379]80587723588303424583448951[/url] (ECM)
[M]M1554697[/M] has a 84.228-bit (26-digit) factor: [url=https://www.mersenne.ca/M1554697]22657958193566764465737367[/url] (ECM)
[M]M877567[/M] has a 83.410-bit (26-digit) factor: [url=https://www.mersenne.ca/M877567]12853596368313442187354599[/url] (ECM)
[M]M1908769[/M] has a 80.549-bit (25-digit) factor: [url=https://www.mersenne.ca/M1908769]1769140571673700893045319[/url] (ECM)
[M]M1781057[/M] has a 80.222-bit (25-digit) factor: [url=https://www.mersenne.ca/M1781057]1409621076809697139507943[/url] (ECM)
[M]M1927789[/M] has a 77.467-bit (24-digit) factor: [url=https://www.mersenne.ca/M1927789]208876447847117021672257[/url] (ECM)
[M]M1921253[/M] has a 76.768-bit (24-digit) factor: [url=https://www.mersenne.ca/M1921253]128702706382230166193479[/url] (ECM)
[M]M1714057[/M] has a 76.619-bit (24-digit) factor: [url=https://www.mersenne.ca/M1714057]116007798419238668694937[/url] (ECM)
[M]M1733729[/M] has a 75.904-bit (23-digit) factor: [url=https://www.mersenne.ca/M1733729]70695011347061670945119[/url] (ECM)
[M]M1954349[/M] has a 74.896-bit (23-digit) factor: [url=https://www.mersenne.ca/M1954349]35146811501953528926833[/url] (ECM)
[M]M1590101[/M] has a 74.876-bit (23-digit) factor: [url=https://www.mersenne.ca/M1590101]34671577534065185968817[/url] (ECM)
[M]M1875997[/M] has a 73.562-bit (23-digit) factor: [url=https://www.mersenne.ca/M1875997]13940983978628037638647[/url] (ECM)
[M]M1466657[/M] has a 73.186-bit (23-digit) factor: [url=https://www.mersenne.ca/M1466657]10743875795193259134049[/url] (ECM)
[M]M1909087[/M] has a 72.861-bit (22-digit) factor: [url=https://www.mersenne.ca/M1909087]8579826909736069987793[/url] (ECM)
[M]M766313[/M] has a 70.963-bit (22-digit) factor: [url=https://www.mersenne.ca/M766313]2300930436001857107753[/url] (ECM)
[M]M2549111[/M] has a 70.747-bit (22-digit) factor: [url=https://www.mersenne.ca/M2549111]1981034319920399155961[/url] (ECM)
[M]M1478723[/M] has a 69.812-bit (22-digit) factor: [url=https://www.mersenne.ca/M1478723]1036039909593387301129[/url] (ECM)
[M]M1802909[/M] has a 69.095-bit (21-digit) factor: [url=https://www.mersenne.ca/M1802909]630450195897287262929[/url] (ECM)
[M]M1859057[/M] has a 68.775-bit (21-digit) factor: [url=https://www.mersenne.ca/M1859057]505084033334406018209[/url] (ECM)
[M]M1905121[/M] has a 68.658-bit (21-digit) factor: [url=https://www.mersenne.ca/M1905121]465613235682410259313[/url] (ECM)
[M]M1897601[/M] has a 68.490-bit (21-digit) factor: [url=https://www.mersenne.ca/M1897601]414661196346726499151[/url] (ECM)
[M]M2737309[/M] has a 67.915-bit (21-digit) factor: [url=https://www.mersenne.ca/M2737309]278300963139667434287[/url] (ECM)
[M]M1921103[/M] has a 67.838-bit (21-digit) factor: [url=https://www.mersenne.ca/M1921103]263735746411452971833[/url] (ECM)
[M]M1454053[/M] has a 67.347-bit (21-digit) factor: [url=https://www.mersenne.ca/M1454053]187724529080297627417[/url] (ECM)
[M]M2592913[/M] has a 66.887-bit (21-digit) factor: [url=https://www.mersenne.ca/M2592913]136469220978288365617[/url] (ECM)
[M]M1462193[/M] has a 66.780-bit (21-digit) factor: [url=https://www.mersenne.ca/M1462193]126725502308757099017[/url] (ECM)
[M]M1569551[/M] has a 66.576-bit (21-digit) factor: [url=https://www.mersenne.ca/M1569551]109958875511616721783[/url] (ECM)
[M]M840703[/M] has a 66.232-bit (20-digit) factor: [url=https://www.mersenne.ca/M840703]86641324289487893977[/url] (ECM)
[M]M1870067[/M] has a 66.188-bit (20-digit) factor: [url=https://www.mersenne.ca/M1870067]84066344366268239887[/url] (ECM)
[M]M1555193[/M] has a 65.606-bit (20-digit) factor: [url=https://www.mersenne.ca/M1555193]56170295733858220177[/url] (ECM)
[M]M1997701[/M] has a 65.463-bit (20-digit) factor: [url=https://www.mersenne.ca/M1997701]50843471063268951703[/url] (ECM)
[M]M1503883[/M] has a 64.209-bit (20-digit) factor: [url=https://www.mersenne.ca/M1503883]21322402874503676527[/url] (ECM)
[M]M1907371[/M] has a 63.275-bit (20-digit) factor: [url=https://www.mersenne.ca/M1907371]11158339414813324927[/url] (ECM)
[M]M1924231[/M] has a 63.052-bit (19-digit) factor: [url=https://www.mersenne.ca/M1924231]9561837487543689967[/url] (ECM)
[M]M2694173[/M] has a 62.644-bit (19-digit) factor: [url=https://www.mersenne.ca/M2694173]7204432724023299503[/url] (ECM)
[M]M1340033[/M] has a 60.400-bit (19-digit) factor: [url=https://www.mersenne.ca/M1340033]1521421966258779847[/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

Biggest factors for Sara	nfs	ecm	p-1	p+1	any
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Top ECM factors of Mersenne numbers

Top ECM factors of all time for Sara

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Sara	1761379	80587723588303424583448951	26	86.059	2013-05-27
2	Sara	1554697	22657958193566764465737367	26	84.228	2013-09-29
3	Sara	877567	12853596368313442187354599	26	83.410	2013-04-30
4	Sara	1908769	1769140571673700893045319	25	80.549	2014-10-01
5	Sara	1781057	1409621076809697139507943	25	80.222	2013-06-18
6	Sara	1927789	208876447847117021672257	24	77.467	2015-03-25
7	Sara	1921253	128702706382230166193479	24	76.768	2015-10-01
8	Sara	1714057	116007798419238668694937	24	76.619	2014-01-18
9	Sara	1733729	70695011347061670945119	23	75.904	2014-02-07
10	Sara	1954349	35146811501953528926833	23	74.896	2008-11-17
11	Sara	1590101	34671577534065185968817	23	74.876	2014-05-30
12	Sara	1875997	13940983978628037638647	23	73.562	2013-10-07
13	Sara	1466657	10743875795193259134049	23	73.186	2015-12-07
14	Sara	1909087	8579826909736069987793	22	72.861	2015-08-04
15	Sara	766313	2300930436001857107753	22	70.963	2013-04-30
16	Sara	2549111	1981034319920399155961	22	70.747	2012-11-03
17	Sara	1478723	1036039909593387301129	22	69.812	2013-06-08
18	Sara	1802909	630450195897287262929	21	69.095	2013-07-13
19	Sara	1859057	505084033334406018209	21	68.775	2013-09-25
20	Sara	1905121	465613235682410259313	21	68.658	2015-07-16
21	Sara	1897601	414661196346726499151	21	68.490	2013-10-28
22	Sara	2737309	278300963139667434287	21	67.915	2013-02-21
23	Sara	1921103	263735746411452971833	21	67.838	2015-02-07
24	Sara	1454053	187724529080297627417	21	67.347	2012-11-25
25	Sara	2592913	136469220978288365617	21	66.887	2012-11-13
26	Sara	1462193	126725502308757099017	21	66.780	2015-11-26
27	Sara	1569551	109958875511616721783	21	66.576	2013-10-13
28	Sara	840703	86641324289487893977	20	66.232	2010-12-09
29	Sara	1870067	84066344366268239887	20	66.188	2013-10-04
30	Sara	1555193	56170295733858220177	20	65.606	2013-09-30
31	Sara	1997701	50843471063268951703	20	65.463	2013-01-03
32	Sara	1503883	21322402874503676527	20	64.209	2013-07-16
33	Sara	1907371	11158339414813324927	20	63.275	2013-11-24
34	Sara	1924231	9561837487543689967	19	63.052	2015-02-21
35	Sara	2694173	7204432724023299503	19	62.644	2013-01-04
36	Sara	1340033	1521421966258779847	19	60.400	2008-11-18