21 717 953 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
7537251037714629416839	22	72.7	2020-04-13 10:39:46

Status	Date	User	Residue	Shift
Verified (Factored)	2004-04-20	Sturle Sunde	635C76CFD3371955	12147428
Verified (Factored)	2009-10-07	gLauss	635C76CFD3371955	16487632

P-1 factors

Date	Factor	B1	B2
2020-04-13	7537251037714629416839	1135000	30928750

History

Date	User	Type	Result
2020-04-13	gLauss	F-PM1	Factor: 7537251037714629416839 / (P-1, B1=1135000, B2=30928750, E=12)
2018-05-03	ramgeis	NF	no factor from 2^69 to 2^70
2017-11-28	VictordeHollander	NF	no factor from 2^68 to 2^69
2017-05-03	ramgeis	NF	no factor from 2^67 to 2^68
2009-10-07	gLauss	C-LL	635C76CFD3371955