8 317 069 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
1980913064060536734529	22	70.7	2012-01-17 03:57:07

Status	Date	User	Residue	Shift
Verified (Factored)	2000-02-01	Patrick Berchtold	43F0BB879757FF39	7083165
Verified (Factored)	2002-10-12	marekb	43F0BB879757FF39	723274

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-10-07	ATH	E52BDD30CBB49D5C	1	2789101	5	3
Verified	2020-04-19	arnaud	E52BDD30CBB49D5C	1	7962128	5	3

History

Date	User	Type	Result
2025-01-03	Stef42	NF-PM1	B1=1109000, B2=1520760150
2020-04-19	arnaud	C-PRP	M8317069/1980913064060536734529 : E52BDD30CBB49D5C PRP: Verified PRP without proof (not generated)
2018-10-07	ATH	C-PRP	M8317069/1980913064060536734529 : E52BDD30CBB49D5C PRP: Verified PRP without proof (not generated)
2012-01-17	kurly	F-PM1	Factor: 1980913064060536734529