259 397 387 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
19405252196838426941273	23	74.0	2022-09-05 15:56:28

History

Date	User	Type	Result
2022-09-05	Elijah Kuzmin	F	Factor: 19405252196838426941273
2022-02-21	SRBase	NF	no factor from 2^73 to 2^74
2020-12-02	SRBase	NF	no factor from 2^72 to 2^73
2020-07-04	SRBase	NF	no factor from 2^71 to 2^72
2020-05-03	SRBase	NF	no factor from 2^70 to 2^71
2019-05-05	Chabot Prime	NF	no factor from 2^69 to 2^70
2018-06-18	Niels_Mache_Nextcloud	NF	no factor from 2^68 to 2^69
2016-08-05	XZT	NF	no factor from 2^67 to 2^68
2015-12-20	crushburnrestart	NF	no factor from 2^66 to 2^67
2014-05-19	fireredd	NF	no factor from 2^65 to 2^66
2011-08-10	HBendtz	NF	no factor from 2^64 to 2^65
2010-03-12	OS1	NF	no factor from 2^63 to 2^64
2010-03-12	OS1	NF	no factor from 2^62 to 2^63