Mersenne ECM top factors

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M802499 has a factor: 19349872514815294193401010442703 (103.932 bits)
M2402383 has a factor: 172994939600226910505622583 (87.161 bits)
M965443 has a factor: 49892427483533471319418753 (85.367 bits)
M2481317 has a factor: 41156975238403051340511889 (85.089 bits)
M886069 has a factor: 21339241246893921971736223 (84.142 bits)
M716143 has a factor: 18644242323785759935052999 (83.947 bits)
M754207 has a factor: 16362531270710506339307167 (83.759 bits)
M969139 has a factor: 1634827132588091283622903 (80.435 bits)
M1071601 has a factor: 1421035498222743466046927 (80.233 bits)
M1002349 has a factor: 278207798467931332494031 (77.881 bits)
M1009387 has a factor: 238311717497793463066183 (77.657 bits)
M2281789 has a factor: 148794235072008745440719 (76.978 bits)
M880667 has a factor: 107740582875588749140129 (76.512 bits)
M713771 has a factor: 73656861416594853920473 (75.963 bits)
M855397 has a factor: 67214525148194542289113 (75.831 bits)
M822313 has a factor: 54995863120695281443871 (75.542 bits)
M763649 has a factor: 40416647916537756479183 (75.097 bits)
M919913 has a factor: 37423055728307034295207 (74.986 bits)
M247069 has a factor: 34185260052316708751737 (74.856 bits)
M736429 has a factor: 24362945214492518138599 (74.367 bits)
M962011 has a factor: 21609510281029276459951 (74.194 bits)
M1109761 has a factor: 16566126568468536258359 (73.811 bits)
M877469 has a factor: 14907351208445958642161 (73.658 bits)
M163021 has a factor: 14239503454493607294167 (73.592 bits)
M1023601 has a factor: 11831880639968723223433 (73.325 bits)
M1034239 has a factor: 8156052698224675365769 (72.788 bits)
M1051747 has a factor: 7530758907119783185231 (72.673 bits)
M980431 has a factor: 4153167562824291745639 (71.815 bits)
M868727 has a factor: 4066347997142117757559 (71.784 bits)
M962587 has a factor: 3100166487085330050529 (71.393 bits)
M2547719 has a factor: 1807744838936668130743 (70.615 bits)
M803659 has a factor: 615064270789262100817 (69.059 bits)
M1357651 has a factor: 611864593570328721529 (69.052 bits)
M739469 has a factor: 513270986571499594231 (68.798 bits)
M964577 has a factor: 412143210929543958407 (68.482 bits)
M932413 has a factor: 378531503003306934343 (68.359 bits)
M999721 has a factor: 358523791254313148353 (68.281 bits)
M780433 has a factor: 352382504761372144879 (68.256 bits)
M816649 has a factor: 296107604177191440863 (68.005 bits)
M761441 has a factor: 290913986269326682711 (67.979 bits)
M733981 has a factor: 271432455721164784289 (67.879 bits)
M911459 has a factor: 240516201139140387751 (67.705 bits)
M813227 has a factor: 215486259674994379273 (67.546 bits)
M899719 has a factor: 174196118380690614463 (67.239 bits)
M760321 has a factor: 121418499679954374409 (66.719 bits)
M235621 has a factor: 113242183764213065231 (66.618 bits)
M810151 has a factor: 113161507893174849817 (66.617 bits)
M917803 has a factor: 59946227441203798207 (65.700 bits)
M773473 has a factor: 58431840428253690617 (65.663 bits)
M1084771 has a factor: 54598334847027164729 (65.565 bits)
M726367 has a factor: 53188944620218423343 (65.528 bits)
M764341 has a factor: 46584368449148585593 (65.336 bits)
M1104749 has a factor: 45512972345894910553 (65.303 bits)
M1035613 has a factor: 43813220549093473487 (65.248 bits)
M1105537 has a factor: 38311419205821380543 (65.054 bits)
M956713 has a factor: 35507223200729412049 (64.945 bits)
M2605927 has a factor: 30129186898231538167 (64.708 bits)
M2198689 has a factor: 29673644053711106081 (64.686 bits)
M918581 has a factor: 29619710343014785991 (64.683 bits)
M779837 has a factor: 27703893640134633919 (64.587 bits)
M908653 has a factor: 26969833996054823063 (64.548 bits)
M760813 has a factor: 26563533671053312513 (64.526 bits)
M774803 has a factor: 24979068117939572711 (64.437 bits)
M847051 has a factor: 24874310789849720753 (64.431 bits)
M906809 has a factor: 20450272484518148399 (64.149 bits)
M1104449 has a factor: 13084634065241480023 (63.505 bits)
M747401 has a factor: 12572751923413112527 (63.447 bits)
M1064873 has a factor: 11646719990208015239 (63.337 bits)
M1056361 has a factor: 8774776645723415399 (62.928 bits)
M933703 has a factor: 8666654329029842279 (62.910 bits)
M2239009 has a factor: 8125794587241392407 (62.817 bits)
M1099493 has a factor: 6757583951254770199 (62.551 bits)
M746363 has a factor: 6528405196513291727 (62.501 bits)
M197261 has a factor: 4871405839277067791 (62.079 bits)
M857161 has a factor: 3263986612558306769 (61.501 bits)
M855293 has a factor: 3183414618471003857 (61.465 bits)
M1110803 has a factor: 2854965051185935991 (61.308 bits)
M981241 has a factor: 2543074686123519671 (61.141 bits)
M885529 has a factor: 1724347177144279529 (60.581 bits)

For copy-paste to forum:

[M]M802499[/M] has a 103.932-bit (32-digit) factor: [url=https://www.mersenne.ca/M802499]19349872514815294193401010442703[/url] (ECM)
[M]M2402383[/M] has a 87.161-bit (27-digit) factor: [url=https://www.mersenne.ca/M2402383]172994939600226910505622583[/url] (ECM)
[M]M965443[/M] has a 85.367-bit (26-digit) factor: [url=https://www.mersenne.ca/M965443]49892427483533471319418753[/url] (ECM)
[M]M2481317[/M] has a 85.089-bit (26-digit) factor: [url=https://www.mersenne.ca/M2481317]41156975238403051340511889[/url] (ECM)
[M]M886069[/M] has a 84.142-bit (26-digit) factor: [url=https://www.mersenne.ca/M886069]21339241246893921971736223[/url] (ECM)
[M]M716143[/M] has a 83.947-bit (26-digit) factor: [url=https://www.mersenne.ca/M716143]18644242323785759935052999[/url] (ECM)
[M]M754207[/M] has a 83.759-bit (26-digit) factor: [url=https://www.mersenne.ca/M754207]16362531270710506339307167[/url] (ECM)
[M]M969139[/M] has a 80.435-bit (25-digit) factor: [url=https://www.mersenne.ca/M969139]1634827132588091283622903[/url] (ECM)
[M]M1071601[/M] has a 80.233-bit (25-digit) factor: [url=https://www.mersenne.ca/M1071601]1421035498222743466046927[/url] (ECM)
[M]M1002349[/M] has a 77.881-bit (24-digit) factor: [url=https://www.mersenne.ca/M1002349]278207798467931332494031[/url] (ECM)
[M]M1009387[/M] has a 77.657-bit (24-digit) factor: [url=https://www.mersenne.ca/M1009387]238311717497793463066183[/url] (ECM)
[M]M2281789[/M] has a 76.978-bit (24-digit) factor: [url=https://www.mersenne.ca/M2281789]148794235072008745440719[/url] (ECM)
[M]M880667[/M] has a 76.512-bit (24-digit) factor: [url=https://www.mersenne.ca/M880667]107740582875588749140129[/url] (ECM)
[M]M713771[/M] has a 75.963-bit (23-digit) factor: [url=https://www.mersenne.ca/M713771]73656861416594853920473[/url] (ECM)
[M]M855397[/M] has a 75.831-bit (23-digit) factor: [url=https://www.mersenne.ca/M855397]67214525148194542289113[/url] (ECM)
[M]M822313[/M] has a 75.542-bit (23-digit) factor: [url=https://www.mersenne.ca/M822313]54995863120695281443871[/url] (ECM)
[M]M763649[/M] has a 75.097-bit (23-digit) factor: [url=https://www.mersenne.ca/M763649]40416647916537756479183[/url] (ECM)
[M]M919913[/M] has a 74.986-bit (23-digit) factor: [url=https://www.mersenne.ca/M919913]37423055728307034295207[/url] (ECM)
[M]M247069[/M] has a 74.856-bit (23-digit) factor: [url=https://www.mersenne.ca/M247069]34185260052316708751737[/url] (ECM)
[M]M736429[/M] has a 74.367-bit (23-digit) factor: [url=https://www.mersenne.ca/M736429]24362945214492518138599[/url] (ECM)
[M]M962011[/M] has a 74.194-bit (23-digit) factor: [url=https://www.mersenne.ca/M962011]21609510281029276459951[/url] (ECM)
[M]M1109761[/M] has a 73.811-bit (23-digit) factor: [url=https://www.mersenne.ca/M1109761]16566126568468536258359[/url] (ECM)
[M]M877469[/M] has a 73.658-bit (23-digit) factor: [url=https://www.mersenne.ca/M877469]14907351208445958642161[/url] (ECM)
[M]M163021[/M] has a 73.592-bit (23-digit) factor: [url=https://www.mersenne.ca/M163021]14239503454493607294167[/url] (ECM)
[M]M1023601[/M] has a 73.325-bit (23-digit) factor: [url=https://www.mersenne.ca/M1023601]11831880639968723223433[/url] (ECM)
[M]M1034239[/M] has a 72.788-bit (22-digit) factor: [url=https://www.mersenne.ca/M1034239]8156052698224675365769[/url] (ECM)
[M]M1051747[/M] has a 72.673-bit (22-digit) factor: [url=https://www.mersenne.ca/M1051747]7530758907119783185231[/url] (ECM)
[M]M980431[/M] has a 71.815-bit (22-digit) factor: [url=https://www.mersenne.ca/M980431]4153167562824291745639[/url] (ECM)
[M]M868727[/M] has a 71.784-bit (22-digit) factor: [url=https://www.mersenne.ca/M868727]4066347997142117757559[/url] (ECM)
[M]M962587[/M] has a 71.393-bit (22-digit) factor: [url=https://www.mersenne.ca/M962587]3100166487085330050529[/url] (ECM)
[M]M2547719[/M] has a 70.615-bit (22-digit) factor: [url=https://www.mersenne.ca/M2547719]1807744838936668130743[/url] (ECM)
[M]M803659[/M] has a 69.059-bit (21-digit) factor: [url=https://www.mersenne.ca/M803659]615064270789262100817[/url] (ECM)
[M]M1357651[/M] has a 69.052-bit (21-digit) factor: [url=https://www.mersenne.ca/M1357651]611864593570328721529[/url] (ECM)
[M]M739469[/M] has a 68.798-bit (21-digit) factor: [url=https://www.mersenne.ca/M739469]513270986571499594231[/url] (ECM)
[M]M964577[/M] has a 68.482-bit (21-digit) factor: [url=https://www.mersenne.ca/M964577]412143210929543958407[/url] (ECM)
[M]M932413[/M] has a 68.359-bit (21-digit) factor: [url=https://www.mersenne.ca/M932413]378531503003306934343[/url] (ECM)
[M]M999721[/M] has a 68.281-bit (21-digit) factor: [url=https://www.mersenne.ca/M999721]358523791254313148353[/url] (ECM)
[M]M780433[/M] has a 68.256-bit (21-digit) factor: [url=https://www.mersenne.ca/M780433]352382504761372144879[/url] (ECM)
[M]M816649[/M] has a 68.005-bit (21-digit) factor: [url=https://www.mersenne.ca/M816649]296107604177191440863[/url] (ECM)
[M]M761441[/M] has a 67.979-bit (21-digit) factor: [url=https://www.mersenne.ca/M761441]290913986269326682711[/url] (ECM)
[M]M733981[/M] has a 67.879-bit (21-digit) factor: [url=https://www.mersenne.ca/M733981]271432455721164784289[/url] (ECM)
[M]M911459[/M] has a 67.705-bit (21-digit) factor: [url=https://www.mersenne.ca/M911459]240516201139140387751[/url] (ECM)
[M]M813227[/M] has a 67.546-bit (21-digit) factor: [url=https://www.mersenne.ca/M813227]215486259674994379273[/url] (ECM)
[M]M899719[/M] has a 67.239-bit (21-digit) factor: [url=https://www.mersenne.ca/M899719]174196118380690614463[/url] (ECM)
[M]M760321[/M] has a 66.719-bit (21-digit) factor: [url=https://www.mersenne.ca/M760321]121418499679954374409[/url] (ECM)
[M]M235621[/M] has a 66.618-bit (21-digit) factor: [url=https://www.mersenne.ca/M235621]113242183764213065231[/url] (ECM)
[M]M810151[/M] has a 66.617-bit (21-digit) factor: [url=https://www.mersenne.ca/M810151]113161507893174849817[/url] (ECM)
[M]M917803[/M] has a 65.700-bit (20-digit) factor: [url=https://www.mersenne.ca/M917803]59946227441203798207[/url] (ECM)
[M]M773473[/M] has a 65.663-bit (20-digit) factor: [url=https://www.mersenne.ca/M773473]58431840428253690617[/url] (ECM)
[M]M1084771[/M] has a 65.565-bit (20-digit) factor: [url=https://www.mersenne.ca/M1084771]54598334847027164729[/url] (ECM)
[M]M726367[/M] has a 65.528-bit (20-digit) factor: [url=https://www.mersenne.ca/M726367]53188944620218423343[/url] (ECM)
[M]M764341[/M] has a 65.336-bit (20-digit) factor: [url=https://www.mersenne.ca/M764341]46584368449148585593[/url] (ECM)
[M]M1104749[/M] has a 65.303-bit (20-digit) factor: [url=https://www.mersenne.ca/M1104749]45512972345894910553[/url] (ECM)
[M]M1035613[/M] has a 65.248-bit (20-digit) factor: [url=https://www.mersenne.ca/M1035613]43813220549093473487[/url] (ECM)
[M]M1105537[/M] has a 65.054-bit (20-digit) factor: [url=https://www.mersenne.ca/M1105537]38311419205821380543[/url] (ECM)
[M]M956713[/M] has a 64.945-bit (20-digit) factor: [url=https://www.mersenne.ca/M956713]35507223200729412049[/url] (ECM)
[M]M2605927[/M] has a 64.708-bit (20-digit) factor: [url=https://www.mersenne.ca/M2605927]30129186898231538167[/url] (ECM)
[M]M2198689[/M] has a 64.686-bit (20-digit) factor: [url=https://www.mersenne.ca/M2198689]29673644053711106081[/url] (ECM)
[M]M918581[/M] has a 64.683-bit (20-digit) factor: [url=https://www.mersenne.ca/M918581]29619710343014785991[/url] (ECM)
[M]M779837[/M] has a 64.587-bit (20-digit) factor: [url=https://www.mersenne.ca/M779837]27703893640134633919[/url] (ECM)
[M]M908653[/M] has a 64.548-bit (20-digit) factor: [url=https://www.mersenne.ca/M908653]26969833996054823063[/url] (ECM)
[M]M760813[/M] has a 64.526-bit (20-digit) factor: [url=https://www.mersenne.ca/M760813]26563533671053312513[/url] (ECM)
[M]M774803[/M] has a 64.437-bit (20-digit) factor: [url=https://www.mersenne.ca/M774803]24979068117939572711[/url] (ECM)
[M]M847051[/M] has a 64.431-bit (20-digit) factor: [url=https://www.mersenne.ca/M847051]24874310789849720753[/url] (ECM)
[M]M906809[/M] has a 64.149-bit (20-digit) factor: [url=https://www.mersenne.ca/M906809]20450272484518148399[/url] (ECM)
[M]M1104449[/M] has a 63.505-bit (20-digit) factor: [url=https://www.mersenne.ca/M1104449]13084634065241480023[/url] (ECM)
[M]M747401[/M] has a 63.447-bit (20-digit) factor: [url=https://www.mersenne.ca/M747401]12572751923413112527[/url] (ECM)
[M]M1064873[/M] has a 63.337-bit (20-digit) factor: [url=https://www.mersenne.ca/M1064873]11646719990208015239[/url] (ECM)
[M]M1056361[/M] has a 62.928-bit (19-digit) factor: [url=https://www.mersenne.ca/M1056361]8774776645723415399[/url] (ECM)
[M]M933703[/M] has a 62.910-bit (19-digit) factor: [url=https://www.mersenne.ca/M933703]8666654329029842279[/url] (ECM)
[M]M2239009[/M] has a 62.817-bit (19-digit) factor: [url=https://www.mersenne.ca/M2239009]8125794587241392407[/url] (ECM)
[M]M1099493[/M] has a 62.551-bit (19-digit) factor: [url=https://www.mersenne.ca/M1099493]6757583951254770199[/url] (ECM)
[M]M746363[/M] has a 62.501-bit (19-digit) factor: [url=https://www.mersenne.ca/M746363]6528405196513291727[/url] (ECM)
[M]M197261[/M] has a 62.079-bit (19-digit) factor: [url=https://www.mersenne.ca/M197261]4871405839277067791[/url] (ECM)
[M]M857161[/M] has a 61.501-bit (19-digit) factor: [url=https://www.mersenne.ca/M857161]3263986612558306769[/url] (ECM)
[M]M855293[/M] has a 61.465-bit (19-digit) factor: [url=https://www.mersenne.ca/M855293]3183414618471003857[/url] (ECM)
[M]M1110803[/M] has a 61.308-bit (19-digit) factor: [url=https://www.mersenne.ca/M1110803]2854965051185935991[/url] (ECM)
[M]M981241[/M] has a 61.141-bit (19-digit) factor: [url=https://www.mersenne.ca/M981241]2543074686123519671[/url] (ECM)
[M]M885529[/M] has a 60.581-bit (19-digit) factor: [url=https://www.mersenne.ca/M885529]1724347177144279529[/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 maxybo	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 maxybo

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	maxybo	802499	19349872514815294193401010442703	32	103.932	2011-05-10
2	maxybo	2402383	172994939600226910505622583	27	87.161	2009-01-30
3	maxybo	965443	49892427483533471319418753	26	85.367	2010-05-08
4	maxybo	2481317	41156975238403051340511889	26	85.089	2009-02-10
5	maxybo	886069	21339241246893921971736223	26	84.142	2009-08-28
6	maxybo	716143	18644242323785759935052999	26	83.947	2010-05-11
7	maxybo	754207	16362531270710506339307167	26	83.759	2009-07-15
8	maxybo	969139	1634827132588091283622903	25	80.435	2009-12-17
9	maxybo	1071601	1421035498222743466046927	25	80.233	2010-04-01
10	maxybo	1002349	278207798467931332494031	24	77.881	2009-07-20
11	maxybo	1009387	238311717497793463066183	24	77.657	2009-07-22
12	maxybo	2281789	148794235072008745440719	24	76.978	2009-01-12
13	maxybo	880667	107740582875588749140129	24	76.512	2010-06-30
14	maxybo	713771	73656861416594853920473	23	75.963	2010-05-07
15	maxybo	855397	67214525148194542289113	23	75.831	2009-08-11
16	maxybo	822313	54995863120695281443871	23	75.542	2010-10-17
17	maxybo	763649	40416647916537756479183	23	75.097	2009-09-20
18	maxybo	919913	37423055728307034295207	23	74.986	2009-06-17
19	maxybo	247069	34185260052316708751737	23	74.856	2009-04-10
20	maxybo	736429	24362945214492518138599	23	74.367	2009-09-24
21	maxybo	962011	21609510281029276459951	23	74.194	2009-09-24
22	maxybo	1109761	16566126568468536258359	23	73.811	2009-12-01
23	maxybo	877469	14907351208445958642161	23	73.658	2009-05-24
24	maxybo	163021	14239503454493607294167	23	73.592	2009-04-07
25	maxybo	1023601	11831880639968723223433	23	73.325	2010-12-15
26	maxybo	1034239	8156052698224675365769	22	72.788	2009-10-19
27	maxybo	1051747	7530758907119783185231	22	72.673	2010-03-12
28	maxybo	980431	4153167562824291745639	22	71.815	2009-07-12
29	maxybo	868727	4066347997142117757559	22	71.784	2009-05-06
30	maxybo	962587	3100166487085330050529	22	71.393	2009-09-24
31	maxybo	2547719	1807744838936668130743	22	70.615	2009-02-13
32	maxybo	803659	615064270789262100817	21	69.059	2010-08-23
33	maxybo	1357651	611864593570328721529	21	69.052	2008-11-25
34	maxybo	739469	513270986571499594231	21	68.798	2010-05-09
35	maxybo	964577	412143210929543958407	21	68.482	2009-12-10
36	maxybo	932413	378531503003306934343	21	68.359	2009-11-27
37	maxybo	999721	358523791254313148353	21	68.281	2009-07-19
38	maxybo	780433	352382504761372144879	21	68.256	2011-05-10
39	maxybo	816649	296107604177191440863	21	68.005	2010-10-02
40	maxybo	761441	290913986269326682711	21	67.979	2011-06-17
41	maxybo	733981	271432455721164784289	21	67.879	2011-01-06
42	maxybo	911459	240516201139140387751	21	67.705	2010-05-28
43	maxybo	813227	215486259674994379273	21	67.546	2010-09-22
44	maxybo	899719	174196118380690614463	21	67.239	2010-08-16
45	maxybo	760321	121418499679954374409	21	66.719	2009-05-26
46	maxybo	235621	113242183764213065231	21	66.618	2009-04-11
47	maxybo	810151	113161507893174849817	21	66.617	2009-09-23
48	maxybo	917803	59946227441203798207	20	65.700	2010-03-22
49	maxybo	773473	58431840428253690617	20	65.663	2010-02-05
50	maxybo	1084771	54598334847027164729	20	65.565	2009-08-26
51	maxybo	726367	53188944620218423343	20	65.528	2010-02-16
52	maxybo	764341	46584368449148585593	20	65.336	2009-06-04
53	maxybo	1104749	45512972345894910553	20	65.303	2010-04-26
54	maxybo	1035613	43813220549093473487	20	65.248	2010-10-11
55	maxybo	1105537	38311419205821380543	20	65.054	2009-09-01
56	maxybo	956713	35507223200729412049	20	64.945	2009-07-03
57	maxybo	2605927	30129186898231538167	20	64.708	2009-02-21
58	maxybo	2198689	29673644053711106081	20	64.686	2008-12-23
59	maxybo	918581	29619710343014785991	20	64.683	2009-09-06
60	maxybo	779837	27703893640134633919	20	64.587	2011-04-29
61	maxybo	908653	26969833996054823063	20	64.548	2010-06-18
62	maxybo	760813	26563533671053312513	20	64.526	2009-05-26
63	maxybo	774803	24979068117939572711	20	64.437	2009-07-03
64	maxybo	847051	24874310789849720753	20	64.431	2010-11-26
65	maxybo	906809	20450272484518148399	20	64.149	2010-09-14
66	maxybo	1104449	13084634065241480023	20	63.505	2010-04-26
67	maxybo	747401	12572751923413112527	20	63.447	2010-05-17
68	maxybo	1064873	11646719990208015239	20	63.337	2009-08-18
69	maxybo	1056361	8774776645723415399	19	62.928	2010-03-18
70	maxybo	933703	8666654329029842279	19	62.910	2009-06-23
71	maxybo	2239009	8125794587241392407	19	62.817	2008-12-24
72	maxybo	1099493	6757583951254770199	19	62.551	2010-04-21
73	maxybo	746363	6528405196513291727	19	62.501	2010-05-20
74	maxybo	197261	4871405839277067791	19	62.079	2009-04-09
75	maxybo	857161	3263986612558306769	19	61.501	2010-01-16
76	maxybo	855293	3183414618471003857	19	61.465	2010-05-15
77	maxybo	1110803	2854965051185935991	19	61.308	2009-12-01
78	maxybo	981241	2543074686123519671	19	61.141	2009-07-13
79	maxybo	885529	1724347177144279529	19	60.581	2009-06-06