58 910 237 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
28574024555681252633	20	64.6	2012-11-18 18:12:35

History

Date	User	Type	Result
2022-06-27	LordJulius	NF	no factor from 2^60 to 2^63
2012-11-18	TheJudger	F	Factor: 28574024555681252633
2012-10-12	Craig Meyers	NF	no factor from 2^72 to 2^73
2012-06-30	Tom Duell	NF	no factor from 2^71 to 2^72
2012-03-01	Greg	NF	no factor from 2^70 to 2^71
2011-05-24	ASTERIAS	NF	no factor from 2^69 to 2^70
2009-08-20	feynmann	NF	no factor from 2^68 to 2^69
2008-11-07	KYOJI_KAMEI	NF	no factor from 2^67 to 2^68
2008-11-05	KYOJI_KAMEI	NF	no factor from 2^66 to 2^67
2008-11-05	KYOJI_KAMEI	NF	no factor from 2^65 to 2^66
2008-11-05	KYOJI_KAMEI	NF	no factor from 2^64 to 2^65
2008-11-04	KYOJI_KAMEI	NF	no factor from 2^63 to 2^64