277 432 447 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
2597145661506181129121	22	71.1	2019-09-18 16:19:13

History

Date	User	Type	Result
2019-09-18	Conductor	F	Factor: 2597145661506181129121 / TF: 71-72
2019-09-18	Conductor	NF	no factor from 2^70 to 2^71
2019-09-18	Conductor	NF	no factor from 2^69 to 2^70
2018-07-08	Chabot Prime	NF	no factor from 2^68 to 2^69
2016-11-09	Xolotl	NF	no factor from 2^67 to 2^68
2016-01-14	vwflat4	NF	no factor from 2^66 to 2^67
2013-12-07	tsc	NF	no factor from 2^65 to 2^66
2011-09-09	Richard	NF	no factor from 2^64 to 2^65
2010-04-04	linded	NF	no factor from 2^63 to 2^64
2010-04-04	linded	NF	no factor from 2^62 to 2^63