Mersenne ECM top factors

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M186773 has a factor: 1556549170980268643888990460209 (100.296 bits)
M348559 has a factor: 21009898867570563639707050657 (94.085 bits)
M642799 has a factor: 2878244496024927705713595017 (91.217 bits)
M1404367 has a factor: 180323750816816519718057121 (87.221 bits)
M1277863 has a factor: 5534029696962157836379031 (82.195 bits)
M1066367 has a factor: 1633206008517095106698407 (80.434 bits)
M584897 has a factor: 108881594299270831621129 (76.527 bits)
M399101 has a factor: 17804818795341300249463 (73.915 bits)
M1406453 has a factor: 15444176952675574134209 (73.709 bits)
M951803 has a factor: 8522933840471764247273 (72.852 bits)
M767537 has a factor: 7633255519058958625097 (72.693 bits)
M670781 has a factor: 3355618276846004259257 (71.507 bits)
M455809 has a factor: 1894906453827085967929 (70.683 bits)
M1497673 has a factor: 488424893201209720169 (68.727 bits)
M1118113 has a factor: 383982108935319349601 (68.380 bits)
M1382449 has a factor: 291141939818466814663 (67.980 bits)
M1308607 has a factor: 223958631900585803233 (67.602 bits)
M1378199 has a factor: 200524575139229703007 (67.442 bits)
M276467 has a factor: 139274285419471056599 (66.916 bits)
M1956953 has a factor: 126809592540535869841 (66.781 bits)
M1352803 has a factor: 119407907894563600937 (66.694 bits)
M2215463 has a factor: 88216566943507142809 (66.258 bits)
M1314701 has a factor: 80940390527382363953 (66.133 bits)
M1794671 has a factor: 73230296942446672319 (65.989 bits)
M1262581 has a factor: 63175619144799652063 (65.776 bits)
M429679 has a factor: 44507677006100541809 (65.271 bits)
M2681443 has a factor: 25702851493829778839 (64.479 bits)
M1839907 has a factor: 23132230713728612471 (64.327 bits)
M1952833 has a factor: 14997593132736234967 (63.701 bits)
M983141 has a factor: 14714049838285472473 (63.674 bits)
M675239 has a factor: 13205588372935590641 (63.518 bits)
M1351037 has a factor: 11655156708947462663 (63.338 bits)
M1371703 has a factor: 9925728516807251801 (63.106 bits)
M1416137 has a factor: 8998436434764782351 (62.964 bits)
M1101403 has a factor: 8330447255002014991 (62.853 bits)
M951803 has a factor: 7965096544455453023 (62.788 bits)
M1332649 has a factor: 4213485609030712529 (61.870 bits)
M1263403 has a factor: 2738771160017736071 (61.248 bits)
M2468209 has a factor: 2663537239097674697 (61.208 bits)
M2361349 has a factor: 2619430482948909041 (61.184 bits)

For copy-paste to forum:

[M]M186773[/M] has a 100.296-bit (31-digit) factor: [url=https://www.mersenne.ca/M186773]1556549170980268643888990460209[/url] (ECM)
[M]M348559[/M] has a 94.085-bit (29-digit) factor: [url=https://www.mersenne.ca/M348559]21009898867570563639707050657[/url] (ECM)
[M]M642799[/M] has a 91.217-bit (28-digit) factor: [url=https://www.mersenne.ca/M642799]2878244496024927705713595017[/url] (ECM)
[M]M1404367[/M] has a 87.221-bit (27-digit) factor: [url=https://www.mersenne.ca/M1404367]180323750816816519718057121[/url] (ECM)
[M]M1277863[/M] has a 82.195-bit (25-digit) factor: [url=https://www.mersenne.ca/M1277863]5534029696962157836379031[/url] (ECM)
[M]M1066367[/M] has a 80.434-bit (25-digit) factor: [url=https://www.mersenne.ca/M1066367]1633206008517095106698407[/url] (ECM)
[M]M584897[/M] has a 76.527-bit (24-digit) factor: [url=https://www.mersenne.ca/M584897]108881594299270831621129[/url] (ECM)
[M]M399101[/M] has a 73.915-bit (23-digit) factor: [url=https://www.mersenne.ca/M399101]17804818795341300249463[/url] (ECM)
[M]M1406453[/M] has a 73.709-bit (23-digit) factor: [url=https://www.mersenne.ca/M1406453]15444176952675574134209[/url] (ECM)
[M]M951803[/M] has a 72.852-bit (22-digit) factor: [url=https://www.mersenne.ca/M951803]8522933840471764247273[/url] (ECM)
[M]M767537[/M] has a 72.693-bit (22-digit) factor: [url=https://www.mersenne.ca/M767537]7633255519058958625097[/url] (ECM)
[M]M670781[/M] has a 71.507-bit (22-digit) factor: [url=https://www.mersenne.ca/M670781]3355618276846004259257[/url] (ECM)
[M]M455809[/M] has a 70.683-bit (22-digit) factor: [url=https://www.mersenne.ca/M455809]1894906453827085967929[/url] (ECM)
[M]M1497673[/M] has a 68.727-bit (21-digit) factor: [url=https://www.mersenne.ca/M1497673]488424893201209720169[/url] (ECM)
[M]M1118113[/M] has a 68.380-bit (21-digit) factor: [url=https://www.mersenne.ca/M1118113]383982108935319349601[/url] (ECM)
[M]M1382449[/M] has a 67.980-bit (21-digit) factor: [url=https://www.mersenne.ca/M1382449]291141939818466814663[/url] (ECM)
[M]M1308607[/M] has a 67.602-bit (21-digit) factor: [url=https://www.mersenne.ca/M1308607]223958631900585803233[/url] (ECM)
[M]M1378199[/M] has a 67.442-bit (21-digit) factor: [url=https://www.mersenne.ca/M1378199]200524575139229703007[/url] (ECM)
[M]M276467[/M] has a 66.916-bit (21-digit) factor: [url=https://www.mersenne.ca/M276467]139274285419471056599[/url] (ECM)
[M]M1956953[/M] has a 66.781-bit (21-digit) factor: [url=https://www.mersenne.ca/M1956953]126809592540535869841[/url] (ECM)
[M]M1352803[/M] has a 66.694-bit (21-digit) factor: [url=https://www.mersenne.ca/M1352803]119407907894563600937[/url] (ECM)
[M]M2215463[/M] has a 66.258-bit (20-digit) factor: [url=https://www.mersenne.ca/M2215463]88216566943507142809[/url] (ECM)
[M]M1314701[/M] has a 66.133-bit (20-digit) factor: [url=https://www.mersenne.ca/M1314701]80940390527382363953[/url] (ECM)
[M]M1794671[/M] has a 65.989-bit (20-digit) factor: [url=https://www.mersenne.ca/M1794671]73230296942446672319[/url] (ECM)
[M]M1262581[/M] has a 65.776-bit (20-digit) factor: [url=https://www.mersenne.ca/M1262581]63175619144799652063[/url] (ECM)
[M]M429679[/M] has a 65.271-bit (20-digit) factor: [url=https://www.mersenne.ca/M429679]44507677006100541809[/url] (ECM)
[M]M2681443[/M] has a 64.479-bit (20-digit) factor: [url=https://www.mersenne.ca/M2681443]25702851493829778839[/url] (ECM)
[M]M1839907[/M] has a 64.327-bit (20-digit) factor: [url=https://www.mersenne.ca/M1839907]23132230713728612471[/url] (ECM)
[M]M1952833[/M] has a 63.701-bit (20-digit) factor: [url=https://www.mersenne.ca/M1952833]14997593132736234967[/url] (ECM)
[M]M983141[/M] has a 63.674-bit (20-digit) factor: [url=https://www.mersenne.ca/M983141]14714049838285472473[/url] (ECM)
[M]M675239[/M] has a 63.518-bit (20-digit) factor: [url=https://www.mersenne.ca/M675239]13205588372935590641[/url] (ECM)
[M]M1351037[/M] has a 63.338-bit (20-digit) factor: [url=https://www.mersenne.ca/M1351037]11655156708947462663[/url] (ECM)
[M]M1371703[/M] has a 63.106-bit (19-digit) factor: [url=https://www.mersenne.ca/M1371703]9925728516807251801[/url] (ECM)
[M]M1416137[/M] has a 62.964-bit (19-digit) factor: [url=https://www.mersenne.ca/M1416137]8998436434764782351[/url] (ECM)
[M]M1101403[/M] has a 62.853-bit (19-digit) factor: [url=https://www.mersenne.ca/M1101403]8330447255002014991[/url] (ECM)
[M]M951803[/M] has a 62.788-bit (19-digit) factor: [url=https://www.mersenne.ca/M951803]7965096544455453023[/url] (ECM)
[M]M1332649[/M] has a 61.870-bit (19-digit) factor: [url=https://www.mersenne.ca/M1332649]4213485609030712529[/url] (ECM)
[M]M1263403[/M] has a 61.248-bit (19-digit) factor: [url=https://www.mersenne.ca/M1263403]2738771160017736071[/url] (ECM)
[M]M2468209[/M] has a 61.208-bit (19-digit) factor: [url=https://www.mersenne.ca/M2468209]2663537239097674697[/url] (ECM)
[M]M2361349[/M] has a 61.184-bit (19-digit) factor: [url=https://www.mersenne.ca/M2361349]2619430482948909041[/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 Lackó	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 Lackó

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Lackó	186773	1556549170980268643888990460209	31	100.296	2015-12-29
2	Lackó	348559	21009898867570563639707050657	29	94.085	2016-08-18
3	Lackó	642799	2878244496024927705713595017	28	91.217	2013-03-02
4	Lackó	1404367	180323750816816519718057121	27	87.221	2011-05-18
5	Lackó	1277863	5534029696962157836379031	25	82.195	2009-07-13
6	Lackó	1066367	1633206008517095106698407	25	80.434	2010-04-01
7	Lackó	584897	108881594299270831621129	24	76.527	2011-06-10
8	Lackó	399101	17804818795341300249463	23	73.915	2012-05-06
9	Lackó	1406453	15444176952675574134209	23	73.709	2010-10-18
10	Lackó	951803	8522933840471764247273	22	72.852	2010-06-15
11	Lackó	767537	7633255519058958625097	22	72.693	2010-02-03
12	Lackó	670781	3355618276846004259257	22	71.507	2009-09-21
13	Lackó	455809	1894906453827085967929	22	70.683	2009-07-19
14	Lackó	1497673	488424893201209720169	21	68.727	2009-04-04
15	Lackó	1118113	383982108935319349601	21	68.380	2013-06-26
16	Lackó	1382449	291141939818466814663	21	67.980	2010-07-27
17	Lackó	1308607	223958631900585803233	21	67.602	2012-02-01
18	Lackó	1378199	200524575139229703007	21	67.442	2010-09-17
19	Lackó	276467	139274285419471056599	21	66.916	2009-04-16
20	Lackó	1956953	126809592540535869841	21	66.781	2011-02-15
21	Lackó	1352803	119407907894563600937	21	66.694	2010-09-01
22	Lackó	2215463	88216566943507142809	20	66.258	2009-12-19
23	Lackó	1314701	80940390527382363953	20	66.133	2010-05-04
24	Lackó	1794671	73230296942446672319	20	65.989	2010-11-23
25	Lackó	1262581	63175619144799652063	20	65.776	2012-07-14
26	Lackó	429679	44507677006100541809	20	65.271	2009-07-15
27	Lackó	2681443	25702851493829778839	20	64.479	2010-08-05
28	Lackó	1839907	23132230713728612471	20	64.327	2010-11-20
29	Lackó	1952833	14997593132736234967	20	63.701	2009-01-19
30	Lackó	983141	14714049838285472473	20	63.674	2011-09-18
31	Lackó	675239	13205588372935590641	20	63.518	2009-07-29
32	Lackó	1351037	11655156708947462663	20	63.338	2010-08-24
33	Lackó	1371703	9925728516807251801	19	63.106	2012-02-15
34	Lackó	1416137	8998436434764782351	19	62.964	2009-09-08
35	Lackó	1101403	8330447255002014991	19	62.853	2009-11-28
36	Lackó	951803	7965096544455453023	19	62.788	2010-06-15
37	Lackó	1332649	4213485609030712529	19	61.870	2012-04-27
38	Lackó	1263403	2738771160017736071	19	61.248	2010-04-01
39	Lackó	2468209	2663537239097674697	19	61.208	2010-03-20
40	Lackó	2361349	2619430482948909041	19	61.184	2009-01-30