Mersenne top factors

show/hide forum code

M4552897 has a factor: 30698104799946875497862801 (84.666 bits)
M2205107 has a factor: 1936606232404612073449751 (80.680 bits)
M7150639 has a factor: 166656986401789449152833 (77.141 bits)
M4697909 has a factor: 122756545957040655100513 (76.700 bits)
M4070113 has a factor: 12975392856702300664513 (73.458 bits)
M4842653 has a factor: 11884356646823386880911 (73.332 bits)
M7138169 has a factor: 5020211845749220532561 (72.088 bits)
M8047807 has a factor: 5005976235792317593799 (72.084 bits)
M3579827 has a factor: 1023247260671390461673 (69.794 bits)
M4684103 has a factor: 699660469724201147671 (69.245 bits)
M4767949 has a factor: 638264984217486142417 (69.113 bits)
M4268197 has a factor: 571239919446128684231 (68.953 bits)
M4728001 has a factor: 493360709934109940633 (68.741 bits)
M1185997 has a factor: 470843109903174189479 (68.674 bits)
M4242397 has a factor: 307752112506094401799 (68.060 bits)
M7034563 has a factor: 297552617785108381559 (68.012 bits)
M4501927 has a factor: 139002300776494330783 (66.914 bits)

For copy-paste to forum:

[M]M4552897[/M] has a 84.666-bit (26-digit) factor: [url=https://www.mersenne.ca/M4552897]30698104799946875497862801[/url] (ECM,B1=50000,B2=5000000)
[M]M2205107[/M] has a 80.680-bit (25-digit) factor: [url=https://www.mersenne.ca/M2205107]1936606232404612073449751[/url] (ECM,B1=50000,B2=5000000)
[M]M7150639[/M] has a 77.141-bit (24-digit) factor: [url=https://www.mersenne.ca/M7150639]166656986401789449152833[/url] (ECM,B1=50000,B2=5000000)
[M]M4697909[/M] has a 76.700-bit (24-digit) factor: [url=https://www.mersenne.ca/M4697909]122756545957040655100513[/url] (ECM,B1=50000,B2=5000000)
[M]M4070113[/M] has a 73.458-bit (23-digit) factor: [url=https://www.mersenne.ca/M4070113]12975392856702300664513[/url] (ECM,B1=50000,B2=5000000)
[M]M4842653[/M] has a 73.332-bit (23-digit) factor: [url=https://www.mersenne.ca/M4842653]11884356646823386880911[/url] (ECM,B1=50000,B2=5000000)
[M]M7138169[/M] has a 72.088-bit (22-digit) factor: [url=https://www.mersenne.ca/M7138169]5020211845749220532561[/url] (ECM,B1=50000,B2=5000000)
[M]M8047807[/M] has a 72.084-bit (22-digit) factor: [url=https://www.mersenne.ca/M8047807]5005976235792317593799[/url] (ECM,B1=50000,B2=5000000)
[M]M3579827[/M] has a 69.794-bit (22-digit) factor: [url=https://www.mersenne.ca/M3579827]1023247260671390461673[/url] (ECM,B1=50000,B2=5000000)
[M]M4684103[/M] has a 69.245-bit (21-digit) factor: [url=https://www.mersenne.ca/M4684103]699660469724201147671[/url] (ECM,B1=50000,B2=5000000)
[M]M4767949[/M] has a 69.113-bit (21-digit) factor: [url=https://www.mersenne.ca/M4767949]638264984217486142417[/url] (ECM,B1=50000,B2=5000000)
[M]M4268197[/M] has a 68.953-bit (21-digit) factor: [url=https://www.mersenne.ca/M4268197]571239919446128684231[/url] (ECM,B1=50000,B2=5000000)
[M]M4728001[/M] has a 68.741-bit (21-digit) factor: [url=https://www.mersenne.ca/M4728001]493360709934109940633[/url] (ECM,B1=50000,B2=5000000)
[M]M1185997[/M] has a 68.674-bit (21-digit) factor: [url=https://www.mersenne.ca/M1185997]470843109903174189479[/url] (ECM,B1=50000,B2=5000000)
[M]M4242397[/M] has a 68.060-bit (21-digit) factor: [url=https://www.mersenne.ca/M4242397]307752112506094401799[/url] (ECM,B1=50000,B2=5000000)
[M]M7034563[/M] has a 68.012-bit (21-digit) factor: [url=https://www.mersenne.ca/M7034563]297552617785108381559[/url] (ECM,B1=50000,B2=5000000)
[M]M4501927[/M] has a 66.914-bit (21-digit) factor: [url=https://www.mersenne.ca/M4501927]139002300776494330783[/url] (ECM,B1=50000,B2=5000000)

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 Hartmut Birr	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 factors of Mersenne numbers

Top factors of all time for Hartmut Birr

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Hartmut Birr	4552897	30698104799946875497862801	26	84.666	2017-01-18
2	Hartmut Birr	2205107	1936606232404612073449751	25	80.680	2016-03-13
3	Hartmut Birr	7150639	166656986401789449152833	24	77.141	2017-10-17
4	Hartmut Birr	4697909	122756545957040655100513	24	76.700	2017-01-21
5	Hartmut Birr	4070113	12975392856702300664513	23	73.458	2016-03-31
6	Hartmut Birr	4842653	11884356646823386880911	23	73.332	2017-04-05
7	Hartmut Birr	7138169	5020211845749220532561	22	72.088	2017-10-15
8	Hartmut Birr	8047807	5005976235792317593799	22	72.084	2018-12-29
9	Hartmut Birr	3579827	1023247260671390461673	22	69.794	2017-04-01
10	Hartmut Birr	4684103	699660469724201147671	21	69.245	2017-01-14
11	Hartmut Birr	4767949	638264984217486142417	21	69.113	2017-03-01
12	Hartmut Birr	4268197	571239919446128684231	21	68.953	2016-06-26
13	Hartmut Birr	4728001	493360709934109940633	21	68.741	2017-02-03
14	Hartmut Birr	1185997	470843109903174189479	21	68.674	2016-01-24
15	Hartmut Birr	4242397	307752112506094401799	21	68.060	2016-06-14
16	Hartmut Birr	7034563	297552617785108381559	21	68.012	2017-06-09
17	Hartmut Birr	4501927	139002300776494330783	21	66.914	2016-11-13