44 155 523 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
641853163970954722273	21	69.1	2015-05-24 08:28:16

Status	Date	User	Residue	Shift
Verified (Factored)	2008-11-07	curtisc	3FC5FD29C8371043	36550039

History

Date	User	Type	Result
2015-05-24	David Campeau	F	Factor: 641853163970954722273 / TF: 69-70
2014-02-05	LaurV	NF	no factor from 2^68 to 2^69
2008-11-07	curtisc	C-LL	3FC5FD29C8371043

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