8 510 147 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
257301012071776508111	21	67.8	2012-04-10 18:15:37

Status	Date	User	Residue	Shift
Verified (Factored)	1999-12-08	David R Scott	FD7EC4924B0C6285	7690352
Verified (Factored)	2002-12-02	apythe	FD7EC4924B0C6285	7989437

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-11-14	Oliver Kruse	8C2B4A244EE93CF1	1	7380085	5	3
Verified	2020-06-24	Luigi Morelli	8C2B4A244EE93CF1	1	2957223	5	3

History

Date	User	Type	Result
2020-06-24	Luigi Morelli	C-PRP	M8510147/257301012071776508111 : 8C2B4A244EE93CF1 PRP: Verified PRP without proof (not generated)
2018-11-14	Oliver Kruse	C-PRP	M8510147/257301012071776508111 : 8C2B4A244EE93CF1 PRP: Verified PRP without proof (not generated)
2012-04-10	bcp19	F-PM1	Factor: 257301012071776508111