289 277 437 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
753152223179609440553	21	69.4	2019-08-30 19:08:27

History

Date	User	Type	Result
2019-08-30	fralt	F	Factor: 753152223179609440553
2018-07-21	Niels_Mache_Nextcloud	NF	no factor from 2^68 to 2^69
2016-11-26	NBCC	NF	no factor from 2^67 to 2^68
2016-01-16	caddr	NF	no factor from 2^66 to 2^67
2013-12-20	Mr-Plonk	NF	no factor from 2^65 to 2^66
2011-09-27	mm	NF	no factor from 2^64 to 2^65
2010-04-15	linded	NF	no factor from 2^63 to 2^64
2010-04-15	linded	NF	no factor from 2^62 to 2^63