7 987 591 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
319503641	9	28.3	old
1569492602179446631	19	60.4	2008-03-11 03:34:03
138070385848753395786887	24	76.9	2024-02-15 03:51:08

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-07-03	_p95holder_	9A34BCDB1C4F1290	2	5583153	5	3
Verified (Factored)	2019-12-21	oodaira	9A34BCDB1C4F1290	2	5446072	5	3
Verified	2024-02-20	mrh	9A34BCDB1C4F1290	3	6275756	5	3

P-1 factors

Date	Factor	B1	B2
2024-02-15	138070385848753395786887	859000	1345398600

History

Date	User	Type	Result
2024-02-20	ZhiYuan	CERT	PRP Certification Proof certified good
2024-02-20	mrh	C-PRP	M7987591/319503641/1569492602179446631/138070385848753395786887 : 9A34BCDB1C4F1290 PRP proof power = 8 PRP: Verified Proof certified good
2024-02-15	Stef42	F-PM1	Factor: 138070385848753395786887 / (P-1, B1=859000, B2=1345398600)
2019-12-21	oodaira	C-PRP	M7987591/319503641/1569492602179446631 : 9A34BCDB1C4F1290 PRP: Verified (Factored) PRP without proof (not generated)
2018-07-03	_p95holder_	C-PRP	M7987591/319503641/1569492602179446631 : 9A34BCDB1C4F1290 PRP: Verified (Factored) PRP without proof (not generated)