257 224 567 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
4693622083918453115281	22	72.0	2020-07-03 09:16:58

History

Date	User	Type	Result
2020-07-03	Alexander Tsupko	F	Factor: 4693622083918453115281
2020-05-02	SRBase	NF	no factor from 2^70 to 2^71
2019-04-26	Chabot Prime	NF	no factor from 2^69 to 2^70
2018-06-13	Niels_Mache_Nextcloud	NF	no factor from 2^68 to 2^69
2016-05-11	XZT	NF	no factor from 2^67 to 2^68
2015-12-17	JoJo-SUN24	NF	no factor from 2^66 to 2^67
2013-11-15	sasaki3	NF	no factor from 2^65 to 2^66
2011-08-05	sasaki3	NF	no factor from 2^64 to 2^65
2010-03-11	Richard	NF	no factor from 2^63 to 2^64
2010-03-11	Richard	NF	no factor from 2^62 to 2^63