Mersenne ECM top factors

show/hide forum code

M199739 has a factor: 30615503068584740298545860656649 (104.594 bits)
M511579 has a factor: 791451346847520107876454208657 (99.320 bits)
M2678749 has a factor: 449055958454592871061958787153 (98.503 bits)
M317663 has a factor: 27649958169178276160738557151 (94.481 bits)
M184157 has a factor: 3301404904891351784730891377 (91.415 bits)
M550621 has a factor: 812966373751135403115804953 (89.393 bits)
M565483 has a factor: 646775861693693732891629873 (89.063 bits)
M469379 has a factor: 339511616825013797598479599 (88.134 bits)
M316859 has a factor: 29891470045817207167665623 (84.628 bits)
M2212141 has a factor: 3270032595222398167934257 (81.436 bits)
M2112007 has a factor: 928177224903983404337777 (79.619 bits)
M2122213 has a factor: 522876316853858126334647 (78.791 bits)
M2573617 has a factor: 98096966774756883745081 (76.377 bits)
M2383921 has a factor: 5687761409651178052777 (72.268 bits)
M2112683 has a factor: 5304357548156795296433 (72.168 bits)
M2119669 has a factor: 3878968190972558194367 (71.716 bits)
M1906537 has a factor: 1727931358339762069591 (70.550 bits)

For copy-paste to forum:

[M]M199739[/M] has a 104.594-bit (32-digit) factor: [url=https://www.mersenne.ca/M199739]30615503068584740298545860656649[/url] (ECM,Sigma=5351684659759754)
[M]M511579[/M] has a 99.320-bit (30-digit) factor: [url=https://www.mersenne.ca/M511579]791451346847520107876454208657[/url] (ECM,Sigma=130317138632770)
[M]M2678749[/M] has a 98.503-bit (30-digit) factor: [url=https://www.mersenne.ca/M2678749]449055958454592871061958787153[/url] (ECM,Sigma=7250901185252608)
[M]M317663[/M] has a 94.481-bit (29-digit) factor: [url=https://www.mersenne.ca/M317663]27649958169178276160738557151[/url] (ECM,Sigma=2025849301944064)
[M]M184157[/M] has a 91.415-bit (28-digit) factor: [url=https://www.mersenne.ca/M184157]3301404904891351784730891377[/url] (ECM,Sigma=8573554056040749)
[M]M550621[/M] has a 89.393-bit (27-digit) factor: [url=https://www.mersenne.ca/M550621]812966373751135403115804953[/url] (ECM,Sigma=7417517982706557)
[M]M565483[/M] has a 89.063-bit (27-digit) factor: [url=https://www.mersenne.ca/M565483]646775861693693732891629873[/url] (ECM,Sigma=8871271079195153)
[M]M469379[/M] has a 88.134-bit (27-digit) factor: [url=https://www.mersenne.ca/M469379]339511616825013797598479599[/url] (ECM,Sigma=4070187055862395)
[M]M316859[/M] has a 84.628-bit (26-digit) factor: [url=https://www.mersenne.ca/M316859]29891470045817207167665623[/url] (ECM,Sigma=3129965041291938)
[M]M2212141[/M] has a 81.436-bit (25-digit) factor: [url=https://www.mersenne.ca/M2212141]3270032595222398167934257[/url] (ECM,Sigma=6040159806492397)
[M]M2112007[/M] has a 79.619-bit (24-digit) factor: [url=https://www.mersenne.ca/M2112007]928177224903983404337777[/url] (ECM,Sigma=2863241631752313)
[M]M2122213[/M] has a 78.791-bit (24-digit) factor: [url=https://www.mersenne.ca/M2122213]522876316853858126334647[/url] (ECM,Sigma=5919290405475515)
[M]M2573617[/M] has a 76.377-bit (23-digit) factor: [url=https://www.mersenne.ca/M2573617]98096966774756883745081[/url] (ECM,Sigma=1509860205560459)
[M]M2383921[/M] has a 72.268-bit (22-digit) factor: [url=https://www.mersenne.ca/M2383921]5687761409651178052777[/url] (ECM,Sigma=3361038146119521)
[M]M2112683[/M] has a 72.168-bit (22-digit) factor: [url=https://www.mersenne.ca/M2112683]5304357548156795296433[/url] (ECM,Sigma=5745310776643000)
[M]M2119669[/M] has a 71.716-bit (22-digit) factor: [url=https://www.mersenne.ca/M2119669]3878968190972558194367[/url] (ECM,Sigma=2651797969807242)
[M]M1906537[/M] has a 70.550-bit (22-digit) factor: [url=https://www.mersenne.ca/M1906537]1727931358339762069591[/url] (ECM,Sigma=6613278795279475)

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 Yuji HASEGAWA	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 Yuji HASEGAWA

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Yuji HASEGAWA	199739	30615503068584740298545860656649	32	104.594	2019-10-20
2	Yuji HASEGAWA	511579	791451346847520107876454208657	30	99.320	2019-10-28
3	Yuji HASEGAWA	2678749	449055958454592871061958787153	30	98.503	2020-08-12
4	Yuji HASEGAWA	317663	27649958169178276160738557151	29	94.481	2019-11-17
5	Yuji HASEGAWA	184157	3301404904891351784730891377	28	91.415	2019-11-24
6	Yuji HASEGAWA	550621	812966373751135403115804953	27	89.393	2019-11-30
7	Yuji HASEGAWA	565483	646775861693693732891629873	27	89.063	2019-12-19
8	Yuji HASEGAWA	469379	339511616825013797598479599	27	88.134	2019-11-12
9	Yuji HASEGAWA	316859	29891470045817207167665623	26	84.628	2019-10-10
10	Yuji HASEGAWA	2212141	3270032595222398167934257	25	81.436	2020-07-21
11	Yuji HASEGAWA	2112007	928177224903983404337777	24	79.619	2019-09-18
12	Yuji HASEGAWA	2122213	522876316853858126334647	24	78.791	2019-10-01
13	Yuji HASEGAWA	2573617	98096966774756883745081	23	76.377	2020-08-12
14	Yuji HASEGAWA	2383921	5687761409651178052777	22	72.268	2020-08-15
15	Yuji HASEGAWA	2112683	5304357548156795296433	22	72.168	2019-09-18
16	Yuji HASEGAWA	2119669	3878968190972558194367	22	71.716	2019-09-29
17	Yuji HASEGAWA	1906537	1727931358339762069591	22	70.550	2020-01-24