7 401 077 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
60157434071401	14	45.8	old
258447207472633	15	47.9	2014-03-21 11:32:02

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-03-13	trebor	7BED61966ED277C8	2	1188821	5	3
Verified	2019-05-27	kkmrkkblmbrbk	7BED61966ED277C8	2	2607099	5	3

P-1 factors

Date	Factor	B1	B2
2021-04-11	15547520844472615564475468833	263000	13966000

History

Date	User	Type	Result
2021-04-11	Dylan Delgado	F-PM1	Factor: 15547520844472615564475468833 / (P-1, B1=263000, B2=13966000)
2019-05-27	kkmrkkblmbrbk	C-PRP	M7401077/60157434071401/258447207472633 : 7BED61966ED277C8 PRP: Verified PRP without proof (not generated)
2018-03-13	trebor	C-PRP	M7401077/60157434071401/258447207472633 : 7BED61966ED277C8 PRP: Verified PRP without proof (not generated)
2014-03-21	TJAOI	F	Factor: 258447207472633