131 497 447 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
65519993647684023619217	23	75.8	2023-07-05 07:07:57

History

Date	User	Type	Result
2023-07-05	Semyon Musatov	F	Factor: 65519993647684023619217 / TF: 75-76
2022-12-31	SRBase	NF	no factor from 2^74 to 2^75
2021-07-20	SRBase	NF	no factor from 2^73 to 2^74
2020-10-22	SRBase	NF	no factor from 2^72 to 2^73
2016-11-28	nate.anders	NF	no factor from 2^71 to 2^72
2016-05-31	Josh Famestad	NF	no factor from 2^70 to 2^71
2013-01-17	VictordeHollander	NF	no factor from 2^69 to 2^70
2012-09-24	VictordeHollander	NF	no factor from 2^68 to 2^69
2012-09-24	VictordeHollander	NF	no factor from 2^65 to 2^68
2010-11-15	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-08-02	HBendtz	NF	no factor from 2^63 to 2^64