Mersenne ECM top factors

show/hide forum code

M1446559 has a factor: 307375809631168302406068976169 (97.956 bits)
M1470307 has a factor: 85762227459898129804952767 (86.149 bits)
M1426081 has a factor: 5530107662238799321203631 (82.194 bits)
M1495349 has a factor: 4453972067955808995389623 (81.881 bits)
M1452439 has a factor: 2143130800160325603862831 (80.826 bits)
M1650577 has a factor: 603771192558618634553063 (78.998 bits)
M2073283 has a factor: 336698282438836323541681 (78.156 bits)
M3100949 has a factor: 294373297021185812564623 (77.962 bits)
M3639997 has a factor: 236257307720907037441297 (77.645 bits)
M4211743 has a factor: 172819955924122082419721 (77.194 bits)
M1369831 has a factor: 81787521633564234367673 (76.114 bits)
M1920859 has a factor: 72878411191811085024191 (75.948 bits)
M2490091 has a factor: 54967715566143177738271 (75.541 bits)
M2070371 has a factor: 39380309463479632135009 (75.060 bits)
M1441313 has a factor: 18844438470299069655623 (73.997 bits)
M2207143 has a factor: 11590150945291709279023 (73.295 bits)
M3665573 has a factor: 6059272159466598100583 (72.360 bits)
M3642931 has a factor: 2475881094257190768871 (71.068 bits)
M4509049 has a factor: 2265871318186078665719 (70.941 bits)
M3630223 has a factor: 1444172286714773163607 (70.291 bits)
M2711549 has a factor: 914306384613403004759 (69.631 bits)
M3401869 has a factor: 885643895175426364937 (69.585 bits)
M4083899 has a factor: 733634704678718090609 (69.314 bits)
M3882523 has a factor: 594191112880327254871 (69.009 bits)
M1446023 has a factor: 572407974046402912217 (68.956 bits)
M3515063 has a factor: 486770893617973801103 (68.722 bits)
M3716969 has a factor: 220261518408217053847 (67.578 bits)

For copy-paste to forum:

[M]M1446559[/M] has a 97.956-bit (30-digit) factor: [url=https://www.mersenne.ca/M1446559]307375809631168302406068976169[/url] (ECM,B1=50000,B2=5000000)
[M]M1470307[/M] has a 86.149-bit (26-digit) factor: [url=https://www.mersenne.ca/M1470307]85762227459898129804952767[/url] (ECM,B1=50000,B2=5000000)
[M]M1426081[/M] has a 82.194-bit (25-digit) factor: [url=https://www.mersenne.ca/M1426081]5530107662238799321203631[/url] (ECM,B1=50000,B2=5000000)
[M]M1495349[/M] has a 81.881-bit (25-digit) factor: [url=https://www.mersenne.ca/M1495349]4453972067955808995389623[/url] (ECM,B1=50000,B2=5000000)
[M]M1452439[/M] has a 80.826-bit (25-digit) factor: [url=https://www.mersenne.ca/M1452439]2143130800160325603862831[/url] (ECM,B1=50000,B2=5000000)
[M]M1650577[/M] has a 78.998-bit (24-digit) factor: [url=https://www.mersenne.ca/M1650577]603771192558618634553063[/url] (ECM,B1=50000,B2=5000000)
[M]M2073283[/M] has a 78.156-bit (24-digit) factor: [url=https://www.mersenne.ca/M2073283]336698282438836323541681[/url] (ECM,B1=50000,B2=5000000)
[M]M3100949[/M] has a 77.962-bit (24-digit) factor: [url=https://www.mersenne.ca/M3100949]294373297021185812564623[/url] (ECM,B1=50000,B2=5000000)
[M]M3639997[/M] has a 77.645-bit (24-digit) factor: [url=https://www.mersenne.ca/M3639997]236257307720907037441297[/url] (ECM)
[M]M4211743[/M] has a 77.194-bit (24-digit) factor: [url=https://www.mersenne.ca/M4211743]172819955924122082419721[/url] (ECM)
[M]M1369831[/M] has a 76.114-bit (23-digit) factor: [url=https://www.mersenne.ca/M1369831]81787521633564234367673[/url] (ECM,B1=50000,B2=5000000)
[M]M1920859[/M] has a 75.948-bit (23-digit) factor: [url=https://www.mersenne.ca/M1920859]72878411191811085024191[/url] (ECM,B1=50000,B2=5000000)
[M]M2490091[/M] has a 75.541-bit (23-digit) factor: [url=https://www.mersenne.ca/M2490091]54967715566143177738271[/url] (ECM,B1=50000,B2=5000000)
[M]M2070371[/M] has a 75.060-bit (23-digit) factor: [url=https://www.mersenne.ca/M2070371]39380309463479632135009[/url] (ECM,B1=50000,B2=5000000)
[M]M1441313[/M] has a 73.997-bit (23-digit) factor: [url=https://www.mersenne.ca/M1441313]18844438470299069655623[/url] (ECM,B1=50000,B2=5000000)
[M]M2207143[/M] has a 73.295-bit (23-digit) factor: [url=https://www.mersenne.ca/M2207143]11590150945291709279023[/url] (ECM,B1=50000,B2=5000000)
[M]M3665573[/M] has a 72.360-bit (22-digit) factor: [url=https://www.mersenne.ca/M3665573]6059272159466598100583[/url] (ECM)
[M]M3642931[/M] has a 71.068-bit (22-digit) factor: [url=https://www.mersenne.ca/M3642931]2475881094257190768871[/url] (ECM)
[M]M4509049[/M] has a 70.941-bit (22-digit) factor: [url=https://www.mersenne.ca/M4509049]2265871318186078665719[/url] (ECM)
[M]M3630223[/M] has a 70.291-bit (22-digit) factor: [url=https://www.mersenne.ca/M3630223]1444172286714773163607[/url] (ECM)
[M]M2711549[/M] has a 69.631-bit (21-digit) factor: [url=https://www.mersenne.ca/M2711549]914306384613403004759[/url] (ECM)
[M]M3401869[/M] has a 69.585-bit (21-digit) factor: [url=https://www.mersenne.ca/M3401869]885643895175426364937[/url] (ECM)
[M]M4083899[/M] has a 69.314-bit (21-digit) factor: [url=https://www.mersenne.ca/M4083899]733634704678718090609[/url] (ECM)
[M]M3882523[/M] has a 69.009-bit (21-digit) factor: [url=https://www.mersenne.ca/M3882523]594191112880327254871[/url] (ECM,B1=50000,B2=5000000)
[M]M1446023[/M] has a 68.956-bit (21-digit) factor: [url=https://www.mersenne.ca/M1446023]572407974046402912217[/url] (ECM,B1=50000,B2=5000000)
[M]M3515063[/M] has a 68.722-bit (21-digit) factor: [url=https://www.mersenne.ca/M3515063]486770893617973801103[/url] (ECM)
[M]M3716969[/M] has a 67.578-bit (21-digit) factor: [url=https://www.mersenne.ca/M3716969]220261518408217053847[/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 Lelikoid	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 Lelikoid

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Lelikoid	1446559	307375809631168302406068976169	30	97.956	2018-03-04
2	Lelikoid	1470307	85762227459898129804952767	26	86.149	2018-03-12
3	Lelikoid	1426081	5530107662238799321203631	25	82.194	2018-01-19
4	Lelikoid	1495349	4453972067955808995389623	25	81.881	2018-02-07
5	Lelikoid	1452439	2143130800160325603862831	25	80.826	2018-04-13
6	Lelikoid	1650577	603771192558618634553063	24	78.998	2018-04-22
7	Lelikoid	2073283	336698282438836323541681	24	78.156	2017-12-19
8	Lelikoid	3100949	294373297021185812564623	24	77.962	2017-11-04
9	Lelikoid	3639997	236257307720907037441297	24	77.645	2017-05-14
10	Lelikoid	4211743	172819955924122082419721	24	77.194	2016-06-15
11	Lelikoid	1369831	81787521633564234367673	23	76.114	2018-10-11
12	Lelikoid	1920859	72878411191811085024191	23	75.948	2017-12-20
13	Lelikoid	2490091	54967715566143177738271	23	75.541	2017-11-14
14	Lelikoid	2070371	39380309463479632135009	23	75.060	2017-12-15
15	Lelikoid	1441313	18844438470299069655623	23	73.997	2018-02-27
16	Lelikoid	2207143	11590150945291709279023	23	73.295	2017-11-21
17	Lelikoid	3665573	6059272159466598100583	22	72.360	2017-05-29
18	Lelikoid	3642931	2475881094257190768871	22	71.068	2017-05-16
19	Lelikoid	4509049	2265871318186078665719	22	70.941	2016-10-24
20	Lelikoid	3630223	1444172286714773163607	22	70.291	2017-05-04
21	Lelikoid	2711549	914306384613403004759	21	69.631	2017-07-18
22	Lelikoid	3401869	885643895175426364937	21	69.585	2016-12-02
23	Lelikoid	4083899	733634704678718090609	21	69.314	2016-04-09
24	Lelikoid	3882523	594191112880327254871	21	69.009	2017-10-27
25	Lelikoid	1446023	572407974046402912217	21	68.956	2018-02-18
26	Lelikoid	3515063	486770893617973801103	21	68.722	2017-02-17
27	Lelikoid	3716969	220261518408217053847	21	67.578	2017-06-22