6 351 781 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
309877257919327481	18	58.1	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-29	kkmrkkblmbrbk	F9345081E27766F1	1	2392348	5	3
Verified	2018-09-27	rucio	F9345081E27766F1	1	4077041	5	3

History

Date	User	Type	Result
2023-11-10	Stef42	NF-PM1	B1=109000, B2=190507590
2018-09-27	rucio	C-PRP	M6351781/309877257919327481 : F9345081E27766F1 PRP: Verified PRP without proof (not generated)
2017-10-29	kkmrkkblmbrbk	C-PRP	M6351781/309877257919327481 : F9345081E27766F1 PRP: Verified PRP without proof (not generated)

Username
Password