20 244 391 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
810071113551908292841	21	69.5	old
1547136944698510469681152041488922247	37	120.2	2008-07-15 22:29:05

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-05	M Miller	39BAA7BE26782F49	2	19867374	5	3
Verified	2020-07-08	Jaytholomew	39BAA7BE26782F49	2	10779959	5	3

History

Date	User	Type	Result
2020-07-08	Jaytholomew	C-PRP	M20244391/810071113551908292841/1547136944698510469681152041488922247 : 39BAA7BE26782F49 PRP: Verified PRP without proof (not generated)
2020-07-05	M Miller	C-PRP	M20244391/810071113551908292841/1547136944698510469681152041488922247 : 39BAA7BE26782F49 PRP: Verified PRP without proof (not generated)
2008-07-15	George Woltman	F-PM1	Factor: 1253290947609219535556559128128443134610063992154755733727