968 006 371 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
491133944014821860407	21	68.7	2016-12-07 07:09:11

History

Date	User	Type	Result
2025-03-06	James Heinrich	F	Factor: 491133944014821860407 / TF: 68-70
2016-12-07	Conductor	F	Factor: 491133944014821860407 / TF: 68-69*
2016-05-02	ANONYMOUS	NF	no factor from 2^67 to 2^68
2015-03-20	E.Lechner	NF	no factor from 2^66 to 2^67
2012-08-11	linded	NF	no factor from 2^65 to 2^66
2011-01-16	linded	NF	no factor from 2^64 to 2^65
2010-04-20	linded	NF	no factor from 2^63 to 2^64