7 921 999 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶⁷

Factored

Factor	Digits	Bits	Date
332723959	9	28.3	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-06-07	storm5510	89B481FBB6EA5F74	1	7647684	5	3
Verified	PRP without proof (not generated)	2019-11-20	marssystems	89B481FBB6EA5F74	1	3549694	5	3

History

Date	User	Type	Result
2024-02-05	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-20	marssystems	C-PRP	M7921999/332723959 : 89B481FBB6EA5F74
2018-06-07	storm5510	C-PRP	M7921999/332723959 : 89B481FBB6EA5F74

Username
Password