7 897 819 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
6978790950606991	16	52.6	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-07	_p95holder_	563B2F7ED31A4D96	1	3711352	5	3
Verified	2019-11-10	ATH	563B2F7ED31A4D96	1	2294558	5	3

History

Date	User	Type	Result
2024-02-02	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-10	ATH	C-PRP	M7897819/6978790950606991 : 563B2F7ED31A4D96 PRP: Verified PRP without proof (not generated)
2018-06-07	_p95holder_	C-PRP	M7897819/6978790950606991 : 563B2F7ED31A4D96 PRP: Verified PRP without proof (not generated)

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