5 886 889 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
19499455642531970257	20	64.1	2011-03-05 11:52:12

Status	Date	User	Residue	Shift
Verified (Factored)	1998-10-18	Team love_fest	B20BBBD074DA4B76	0
Verified (Factored)	2000-10-22	Louis Towles	B20BBBD074DA4B76	2350829

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	92DE556A6F3AB95E	1	0	1	3
Verified	2018-09-13	Luigi Morelli	92DE556A6F3AB95E	1	4445877	1	3

History

Date	User	Type	Result
2018-09-13	Luigi Morelli	C-PRP	M5886889/19499455642531970257 : 92DE556A6F3AB95E PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5886889/19499455642531970257 : 92DE556A6F3AB95E PRP: Verified PRP without proof (not generated)
2011-03-05	USAFSS	F-PM1	Factor: 19499455642531970257
2009-02-14	GrunwalderGIMP	NF	no factor from 2^62 to 2^63