7 991 177 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
191788249	9	27.5	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-04	_p95holder_	05D784E0B52BB627	1	1650019	5	3
Verified	2019-12-24	arnaud	05D784E0B52BB627	1	2372935	5	3

History

Date	User	Type	Result
2024-02-14	Stef42	NF-PM1	B1=859000, B2=1345398600
2019-12-24	arnaud	C-PRP	M7991177/191788249 : 05D784E0B52BB627 PRP: Verified PRP without proof (not generated)
2018-07-04	_p95holder_	C-PRP	M7991177/191788249 : 05D784E0B52BB627 PRP: Verified PRP without proof (not generated)

Username
Password