7 887 409 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
504794177	9	28.9	old
80753486041703	14	46.2	2008-09-08 03:41:31

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-01	_p95holder_	FF532C7587D02CFC	2	183806	5	3
Verified	2019-11-06	ATH	FF532C7587D02CFC	2	724811	5	3

History

Date	User	Type	Result
2024-02-02	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-06	ATH	C-PRP	M7887409/504794177/80753486041703 : FF532C7587D02CFC PRP: Verified PRP without proof (not generated)
2018-06-01	_p95holder_	C-PRP	M7887409/504794177/80753486041703 : FF532C7587D02CFC PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 80753486041703