Mersenne ECM top factors

M5393 has a factor: 452520080981489534263028760815303458503939967511962417 (178.240 bits)
M5197 has a factor: 33516531384465146199014140546975799593147629670601 (164.519 bits)
M5477 has a factor: 944460684489142333021283614936033954052616698359 (159.370 bits)
M5981 has a factor: 920897971113904463521683463886944231422262379753 (159.334 bits)
M4657 has a factor: 4871218870823614131945671523686938323630725719 (151.771 bits)
M1313239 has a factor: 34642023090046019848742042636599 (104.772 bits)
M526633 has a factor: 17653276882118490690495389174407 (103.800 bits)
M1072229 has a factor: 78358514519296303432590380327 (95.984 bits)
M1313239 has a factor: 52463925625157513121574878151 (95.405 bits)
M573379 has a factor: 43582262416069631589107229823 (95.138 bits)
M553573 has a factor: 11270700312797238157019402009 (93.187 bits)
M1830011 has a factor: 9073496957863310898084157993 (92.874 bits)
M1275203 has a factor: 6352310814123860939837417953 (92.359 bits)
M1237063 has a factor: 5545736248368040207988029999 (92.163 bits)
M556999 has a factor: 5313298995410522566405308319 (92.102 bits)
M1820869 has a factor: 3297192670480976401857441113 (91.413 bits)
M1825897 has a factor: 2221960942246217046940616209 (90.844 bits)
M1313297 has a factor: 2020324517972169276679765777 (90.707 bits)
M1244203 has a factor: 1516313167108109067980257121 (90.293 bits)
M1291379 has a factor: 868115794143461851504368919 (89.488 bits)
M631187 has a factor: 631174590963335425640878913 (89.028 bits)
M1293169 has a factor: 248115887879124501686520583 (87.681 bits)
M1081679 has a factor: 193869412646007119543279591 (87.325 bits)
M454361 has a factor: 136930357999090048383077783 (86.824 bits)
M603283 has a factor: 118000628047249384331854433 (86.609 bits)
M1280837 has a factor: 96553613145760037853590657 (86.320 bits)
M1307183 has a factor: 62382227999869895457679223 (85.689 bits)
M1828681 has a factor: 14486442714629881656519737 (83.583 bits)
M1820353 has a factor: 12109240455920011177088233 (83.324 bits)
M1826129 has a factor: 7941384904053895159489511 (82.716 bits)
M574201 has a factor: 5411182401662089381154473 (82.162 bits)
M3026951 has a factor: 4743084652918815620891183 (81.972 bits)
M3474619 has a factor: 4325573680639228324946929 (81.839 bits)
M1828193 has a factor: 2943530713648640015418097 (81.284 bits)
M1231697 has a factor: 2831717521706618874486473 (81.228 bits)
M1212889 has a factor: 2571582604020103303456583 (81.089 bits)
M2474909 has a factor: 2404048509611577830407799 (80.992 bits)
M569609 has a factor: 2099321770244333053157033 (80.796 bits)
M1279921 has a factor: 690475417761442247903671 (79.192 bits)
M1209209 has a factor: 579085660104161177147393 (78.938 bits)
M1821749 has a factor: 475263487691546491656671 (78.653 bits)
M2776769 has a factor: 445191022533297503190353 (78.559 bits)
M1826611 has a factor: 425760609281245996305127 (78.494 bits)
M1826107 has a factor: 177533041390751369296201 (77.232 bits)
M2645831 has a factor: 155728320782822650429537 (77.043 bits)
M2920531 has a factor: 129100446029146727171527 (76.773 bits)
M1234531 has a factor: 101399981247077483830207 (76.424 bits)
M1827181 has a factor: 92560962088647418136257 (76.293 bits)
M2182657 has a factor: 78672630564479218595231 (76.058 bits)
M3402319 has a factor: 34549841841965643624943 (74.871 bits)
M3061111 has a factor: 32732560362813578360497 (74.793 bits)
M3159889 has a factor: 30443117181296869549471 (74.689 bits)
M2775943 has a factor: 27432529333748814900439 (74.538 bits)
M10966663 has a factor: 24916115402522105658031 (74.400 bits)
M1828669 has a factor: 15765722849114376149729 (73.739 bits)
M1903441 has a factor: 13391880806361593587577 (73.504 bits)
M1824829 has a factor: 10703695579596192069991 (73.181 bits)
M1947779 has a factor: 9686223165106340833919 (73.036 bits)
M1826063 has a factor: 8282138194508478609593 (72.811 bits)
M2223773 has a factor: 6497636443204631262737 (72.460 bits)
M1820471 has a factor: 3843620763179327983313 (71.703 bits)
M2594671 has a factor: 3542977772916526158553 (71.585 bits)
M1821821 has a factor: 2953620920993753590103 (71.323 bits)
M1971503 has a factor: 843246934544798576543 (69.515 bits)
M10962781 has a factor: 461007037733622495607 (68.643 bits)

For copy-paste to forum:

[M]M5393[/M] has a 178.240-bit (54-digit) factor: [url=https://www.mersenne.ca/M5393]452520080981489534263028760815303458503939967511962417[/url] (ECM,B1=110000000,B2=900514153782,Sigma=4972235667295954912)
[M]M5197[/M] has a 164.519-bit (50-digit) factor: [url=https://www.mersenne.ca/M5197]33516531384465146199014140546975799593147629670601[/url] (ECM,B1=110000000,B2=900514153782,Sigma=5534769345194105020)
[M]M5477[/M] has a 159.370-bit (48-digit) factor: [url=https://www.mersenne.ca/M5477]944460684489142333021283614936033954052616698359[/url] (ECM,B1=110000000,B2=900514153782,Sigma=102255318616055950)
[M]M5981[/M] has a 159.334-bit (48-digit) factor: [url=https://www.mersenne.ca/M5981]920897971113904463521683463886944231422262379753[/url] (ECM,B1=110000000,B2=900514153782,Sigma=6655558767059810617)
[M]M4657[/M] has a 151.771-bit (46-digit) factor: [url=https://www.mersenne.ca/M4657]4871218870823614131945671523686938323630725719[/url] (ECM,B1=110000000,B2=900514153782,Sigma=7675372023159016818)
[M]M1313239[/M] has a 104.772-bit (32-digit) factor: [url=https://www.mersenne.ca/M1313239]34642023090046019848742042636599[/url] (ECM,B1=250000,B2=35000000)
[M]M526633[/M] has a 103.800-bit (32-digit) factor: [url=https://www.mersenne.ca/M526633]17653276882118490690495389174407[/url] (ECM,B1=250000,B2=38000000)
[M]M1072229[/M] has a 95.984-bit (29-digit) factor: [url=https://www.mersenne.ca/M1072229]78358514519296303432590380327[/url] (ECM,B1=250000,B2=35000000)
[M]M1313239[/M] has a 95.405-bit (29-digit) factor: [url=https://www.mersenne.ca/M1313239]52463925625157513121574878151[/url] (ECM,B1=250000,B2=35000000)
[M]M573379[/M] has a 95.138-bit (29-digit) factor: [url=https://www.mersenne.ca/M573379]43582262416069631589107229823[/url] (ECM,B1=250000,B2=35000000)
[M]M553573[/M] has a 93.187-bit (29-digit) factor: [url=https://www.mersenne.ca/M553573]11270700312797238157019402009[/url] (ECM)
[M]M1830011[/M] has a 92.874-bit (28-digit) factor: [url=https://www.mersenne.ca/M1830011]9073496957863310898084157993[/url] (ECM,B1=50000,B2=6600000)
[M]M1275203[/M] has a 92.359-bit (28-digit) factor: [url=https://www.mersenne.ca/M1275203]6352310814123860939837417953[/url] (ECM,B1=250000,B2=35000000)
[M]M1237063[/M] has a 92.163-bit (28-digit) factor: [url=https://www.mersenne.ca/M1237063]5545736248368040207988029999[/url] (ECM,B1=250000,B2=35000000)
[M]M556999[/M] has a 92.102-bit (28-digit) factor: [url=https://www.mersenne.ca/M556999]5313298995410522566405308319[/url] (ECM,B1=250000,B2=35000000)
[M]M1820869[/M] has a 91.413-bit (28-digit) factor: [url=https://www.mersenne.ca/M1820869]3297192670480976401857441113[/url] (ECM,B1=50000,B2=6600000)
[M]M1825897[/M] has a 90.844-bit (28-digit) factor: [url=https://www.mersenne.ca/M1825897]2221960942246217046940616209[/url] (ECM,B1=50000,B2=6600000)
[M]M1313297[/M] has a 90.707-bit (28-digit) factor: [url=https://www.mersenne.ca/M1313297]2020324517972169276679765777[/url] (ECM,B1=250000,B2=35000000)
[M]M1244203[/M] has a 90.293-bit (28-digit) factor: [url=https://www.mersenne.ca/M1244203]1516313167108109067980257121[/url] (ECM,B1=250000,B2=35000000)
[M]M1291379[/M] has a 89.488-bit (27-digit) factor: [url=https://www.mersenne.ca/M1291379]868115794143461851504368919[/url] (ECM,B1=250000,B2=35000000)
[M]M631187[/M] has a 89.028-bit (27-digit) factor: [url=https://www.mersenne.ca/M631187]631174590963335425640878913[/url] (ECM)
[M]M1293169[/M] has a 87.681-bit (27-digit) factor: [url=https://www.mersenne.ca/M1293169]248115887879124501686520583[/url] (ECM,B1=250000,B2=35000000)
[M]M1081679[/M] has a 87.325-bit (27-digit) factor: [url=https://www.mersenne.ca/M1081679]193869412646007119543279591[/url] (ECM,B1=250000,B2=35000000)
[M]M454361[/M] has a 86.824-bit (27-digit) factor: [url=https://www.mersenne.ca/M454361]136930357999090048383077783[/url] (ECM,B1=250000,B2=35000000)
[M]M603283[/M] has a 86.609-bit (27-digit) factor: [url=https://www.mersenne.ca/M603283]118000628047249384331854433[/url] (ECM)
[M]M1280837[/M] has a 86.320-bit (26-digit) factor: [url=https://www.mersenne.ca/M1280837]96553613145760037853590657[/url] (ECM,B1=250000,B2=35000000)
[M]M1307183[/M] has a 85.689-bit (26-digit) factor: [url=https://www.mersenne.ca/M1307183]62382227999869895457679223[/url] (ECM,B1=250000,B2=35000000)
[M]M1828681[/M] has a 83.583-bit (26-digit) factor: [url=https://www.mersenne.ca/M1828681]14486442714629881656519737[/url] (ECM,B1=50000,B2=6600000)
[M]M1820353[/M] has a 83.324-bit (26-digit) factor: [url=https://www.mersenne.ca/M1820353]12109240455920011177088233[/url] (ECM,B1=50000,B2=6600000)
[M]M1826129[/M] has a 82.716-bit (25-digit) factor: [url=https://www.mersenne.ca/M1826129]7941384904053895159489511[/url] (ECM,B1=50000,B2=6600000)
[M]M574201[/M] has a 82.162-bit (25-digit) factor: [url=https://www.mersenne.ca/M574201]5411182401662089381154473[/url] (ECM,B1=250000,B2=25000000)
[M]M3026951[/M] has a 81.972-bit (25-digit) factor: [url=https://www.mersenne.ca/M3026951]4743084652918815620891183[/url] (ECM)
[M]M3474619[/M] has a 81.839-bit (25-digit) factor: [url=https://www.mersenne.ca/M3474619]4325573680639228324946929[/url] (ECM)
[M]M1828193[/M] has a 81.284-bit (25-digit) factor: [url=https://www.mersenne.ca/M1828193]2943530713648640015418097[/url] (ECM,B1=50000,B2=6600000)
[M]M1231697[/M] has a 81.228-bit (25-digit) factor: [url=https://www.mersenne.ca/M1231697]2831717521706618874486473[/url] (ECM,B1=250000,B2=35000000)
[M]M1212889[/M] has a 81.089-bit (25-digit) factor: [url=https://www.mersenne.ca/M1212889]2571582604020103303456583[/url] (ECM,B1=250000,B2=35000000)
[M]M2474909[/M] has a 80.992-bit (25-digit) factor: [url=https://www.mersenne.ca/M2474909]2404048509611577830407799[/url] (ECM,B1=50000,B2=5000000)
[M]M569609[/M] has a 80.796-bit (25-digit) factor: [url=https://www.mersenne.ca/M569609]2099321770244333053157033[/url] (ECM,B1=250000,B2=35000000)
[M]M1279921[/M] has a 79.192-bit (24-digit) factor: [url=https://www.mersenne.ca/M1279921]690475417761442247903671[/url] (ECM,B1=250000,B2=35000000)
[M]M1209209[/M] has a 78.938-bit (24-digit) factor: [url=https://www.mersenne.ca/M1209209]579085660104161177147393[/url] (ECM,B1=250000,B2=35000000)
[M]M1821749[/M] has a 78.653-bit (24-digit) factor: [url=https://www.mersenne.ca/M1821749]475263487691546491656671[/url] (ECM,B1=50000,B2=6600000)
[M]M2776769[/M] has a 78.559-bit (24-digit) factor: [url=https://www.mersenne.ca/M2776769]445191022533297503190353[/url] (ECM)
[M]M1826611[/M] has a 78.494-bit (24-digit) factor: [url=https://www.mersenne.ca/M1826611]425760609281245996305127[/url] (ECM,B1=50000,B2=6600000)
[M]M1826107[/M] has a 77.232-bit (24-digit) factor: [url=https://www.mersenne.ca/M1826107]177533041390751369296201[/url] (ECM,B1=50000,B2=6600000)
[M]M2645831[/M] has a 77.043-bit (24-digit) factor: [url=https://www.mersenne.ca/M2645831]155728320782822650429537[/url] (ECM,B1=50000,B2=5000000)
[M]M2920531[/M] has a 76.773-bit (24-digit) factor: [url=https://www.mersenne.ca/M2920531]129100446029146727171527[/url] (ECM)
[M]M1234531[/M] has a 76.424-bit (24-digit) factor: [url=https://www.mersenne.ca/M1234531]101399981247077483830207[/url] (ECM,B1=250000,B2=35000000)
[M]M1827181[/M] has a 76.293-bit (23-digit) factor: [url=https://www.mersenne.ca/M1827181]92560962088647418136257[/url] (ECM,B1=50000,B2=6600000)
[M]M2182657[/M] has a 76.058-bit (23-digit) factor: [url=https://www.mersenne.ca/M2182657]78672630564479218595231[/url] (ECM)
[M]M3402319[/M] has a 74.871-bit (23-digit) factor: [url=https://www.mersenne.ca/M3402319]34549841841965643624943[/url] (ECM)
[M]M3061111[/M] has a 74.793-bit (23-digit) factor: [url=https://www.mersenne.ca/M3061111]32732560362813578360497[/url] (ECM)
[M]M3159889[/M] has a 74.689-bit (23-digit) factor: [url=https://www.mersenne.ca/M3159889]30443117181296869549471[/url] (ECM)
[M]M2775943[/M] has a 74.538-bit (23-digit) factor: [url=https://www.mersenne.ca/M2775943]27432529333748814900439[/url] (ECM)
[M]M10966663[/M] has a 74.400-bit (23-digit) factor: [url=https://www.mersenne.ca/M10966663]24916115402522105658031[/url] (ECM)
[M]M1828669[/M] has a 73.739-bit (23-digit) factor: [url=https://www.mersenne.ca/M1828669]15765722849114376149729[/url] (ECM,B1=50000,B2=6600000)
[M]M1903441[/M] has a 73.504-bit (23-digit) factor: [url=https://www.mersenne.ca/M1903441]13391880806361593587577[/url] (ECM,B1=50000,B2=5000000)
[M]M1824829[/M] has a 73.181-bit (23-digit) factor: [url=https://www.mersenne.ca/M1824829]10703695579596192069991[/url] (ECM,B1=50000,B2=6600000)
[M]M1947779[/M] has a 73.036-bit (22-digit) factor: [url=https://www.mersenne.ca/M1947779]9686223165106340833919[/url] (ECM)
[M]M1826063[/M] has a 72.811-bit (22-digit) factor: [url=https://www.mersenne.ca/M1826063]8282138194508478609593[/url] (ECM,B1=50000,B2=6600000)
[M]M2223773[/M] has a 72.460-bit (22-digit) factor: [url=https://www.mersenne.ca/M2223773]6497636443204631262737[/url] (ECM)
[M]M1820471[/M] has a 71.703-bit (22-digit) factor: [url=https://www.mersenne.ca/M1820471]3843620763179327983313[/url] (ECM,B1=50000,B2=6600000)
[M]M2594671[/M] has a 71.585-bit (22-digit) factor: [url=https://www.mersenne.ca/M2594671]3542977772916526158553[/url] (ECM)
[M]M1821821[/M] has a 71.323-bit (22-digit) factor: [url=https://www.mersenne.ca/M1821821]2953620920993753590103[/url] (ECM,B1=50000,B2=6600000)
[M]M1971503[/M] has a 69.515-bit (21-digit) factor: [url=https://www.mersenne.ca/M1971503]843246934544798576543[/url] (ECM)
[M]M10962781[/M] has a 68.643-bit (21-digit) factor: [url=https://www.mersenne.ca/M10962781]461007037733622495607[/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	<	123M	PrimeNet wavefront

Biggest factors (all users)	ecm	pm1	any
Recent factors (all users)	ecm	pm1	any
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Top ECM factors of Mersenne numbers

Top 500 ECM factors of the past 7 days

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Ryan Propper	5393	452520080981489534263028760815303458503939967511962417	54	178.240	2021-04-07 13:56:11
2	Ryan Propper	5197	33516531384465146199014140546975799593147629670601	50	164.519	2021-04-05 11:55:59
3	Ryan Propper	5477	944460684489142333021283614936033954052616698359	48	159.370	2021-04-05 01:43:41
4	Ryan Propper	5981	920897971113904463521683463886944231422262379753	48	159.334	2021-04-05 01:43:42
5	Ryan Propper	4657	4871218870823614131945671523686938323630725719	46	151.771	2021-04-05 11:56:41
6	TJAOI	1313239	34642023090046019848742042636599	32	104.772	2021-04-09 16:11:28
7	TJAOI	526633	17653276882118490690495389174407	32	103.800	2021-04-09 16:07:20
8	TJAOI	1072229	78358514519296303432590380327	29	95.984	2021-04-09 16:08:42
9	TJAOI	1313239	52463925625157513121574878151	29	95.405	2021-04-09 16:11:28
10	TJAOI	573379	43582262416069631589107229823	29	95.138	2021-04-09 16:08:12
11	lycorn	553573	11270700312797238157019402009	29	93.187	2021-04-09 13:29:03
12	TJAOI	1830011	9073496957863310898084157993	28	92.874	2021-04-09 16:13:07
13	TJAOI	1275203	6352310814123860939837417953	28	92.359	2021-04-09 16:10:22
14	TJAOI	1237063	5545736248368040207988029999	28	92.163	2021-04-09 16:09:59
15	TJAOI	556999	5313298995410522566405308319	28	92.102	2021-04-09 16:07:33
16	TJAOI	1820869	3297192670480976401857441113	28	91.413	2021-04-09 16:11:41
17	TJAOI	1825897	2221960942246217046940616209	28	90.844	2021-04-09 16:12:16
18	TJAOI	1313297	2020324517972169276679765777	28	90.707	2021-04-09 16:11:29
19	TJAOI	1244203	1516313167108109067980257121	28	90.293	2021-04-09 16:10:11
20	TJAOI	1291379	868115794143461851504368919	27	89.488	2021-04-09 16:10:53
21	monsted	631187	631174590963335425640878913	27	89.028	2021-04-10 06:25:42
22	TJAOI	1293169	248115887879124501686520583	27	87.681	2021-04-09 16:11:05
23	TJAOI	1081679	193869412646007119543279591	27	87.325	2021-04-09 16:09:09
24	TJAOI	454361	136930357999090048383077783	27	86.824	2021-04-09 16:07:07
25	volki	603283	118000628047249384331854433	27	86.609	2021-04-08 06:28:50
26	TJAOI	1280837	96553613145760037853590657	26	86.320	2021-04-09 16:10:43
27	TJAOI	1307183	62382227999869895457679223	26	85.689	2021-04-09 16:11:17
28	TJAOI	1828681	14486442714629881656519737	26	83.583	2021-04-09 16:12:55
29	TJAOI	1820353	12109240455920011177088233	26	83.324	2021-04-09 16:11:41
30	TJAOI	1826129	7941384904053895159489511	25	82.716	2021-04-09 16:12:28
31	TJAOI	574201	5411182401662089381154473	25	82.162	2021-04-09 16:08:29
32	Zenzoma	3026951	4743084652918815620891183	25	81.972	2021-04-10 05:38:25
33	daveward2005	3474619	4325573680639228324946929	25	81.839	2021-04-05 01:14:49
34	TJAOI	1828193	2943530713648640015418097	25	81.284	2021-04-09 16:12:53
35	TJAOI	1231697	2831717521706618874486473	25	81.228	2021-04-09 16:09:48
36	TJAOI	1212889	2571582604020103303456583	25	81.089	2021-04-09 16:09:38
37	MIS	2474909	2404048509611577830407799	25	80.992	2021-04-08 12:19:46
38	TJAOI	569609	2099321770244333053157033	25	80.796	2021-04-09 16:07:54
39	TJAOI	1279921	690475417761442247903671	24	79.192	2021-04-09 16:10:32
40	TJAOI	1209209	579085660104161177147393	24	78.938	2021-04-09 16:09:25
41	TJAOI	1821749	475263487691546491656671	24	78.653	2021-04-09 16:11:53
42	mnd9	2776769	445191022533297503190353	24	78.559	2021-04-09 17:59:09
43	TJAOI	1826611	425760609281245996305127	24	78.494	2021-04-09 16:12:27
44	TJAOI	1826107	177533041390751369296201	24	77.232	2021-04-09 16:12:27
45	IanGlencross	2645831	155728320782822650429537	24	77.043	2021-04-08 09:58:36
46	daveward2005	2920531	129100446029146727171527	24	76.773	2021-04-09 16:23:06
47	TJAOI	1234531	101399981247077483830207	24	76.424	2021-04-09 16:09:49
48	TJAOI	1827181	92560962088647418136257	23	76.293	2021-04-09 16:12:40
49	lycorn	2182657	78672630564479218595231	23	76.058	2021-04-08 07:41:45
50	Zenzoma	3402319	34549841841965643624943	23	74.871	2021-04-09 23:52:27
51	daveward2005	3061111	32732560362813578360497	23	74.793	2021-04-10 07:57:46
52	mnd9	3159889	30443117181296869549471	23	74.689	2021-04-07 01:31:55
53	RIHATEC	2775943	27432529333748814900439	23	74.538	2021-04-08 07:10:16
54	riccardo uberti	10966663	24916115402522105658031	23	74.400	2021-04-08 20:57:46
55	TJAOI	1828669	15765722849114376149729	23	73.739	2021-04-09 16:12:55
56	_p95holder_	1903441	13391880806361593587577	23	73.504	2021-04-05 04:37:20
57	TJAOI	1824829	10703695579596192069991	23	73.181	2021-04-09 16:12:04
58	MarkS	1947779	9686223165106340833919	22	73.036	2021-04-05 09:32:51
59	TJAOI	1826063	8282138194508478609593	22	72.811	2021-04-09 16:12:26
60	daveward2005	2223773	6497636443204631262737	22	72.460	2021-04-08 18:25:21
61	TJAOI	1820471	3843620763179327983313	22	71.703	2021-04-09 16:11:43
62	RIHATEC	2594671	3542977772916526158553	22	71.585	2021-04-09 11:28:12
63	TJAOI	1821821	2953620920993753590103	22	71.323	2021-04-09 16:11:54
64	Poao	1971503	843246934544798576543	21	69.515	2021-04-09 20:25:20
65	riccardo uberti	10962781	461007037733622495607	21	68.643	2021-04-06 09:57:58