8 016 677 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
175464388973954474369	21	67.2	2011-06-01 11:39:06

Status	Date	User	Residue	Shift
Verified (Factored)	1999-09-30	Shayne Urbanowski	00E10979DAACD0D5	875177
Verified (Factored)	2002-09-22	Arthur Royce	00E10979DAACD0D5	5312728

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-09	_p95holder_	46D5A69FBED466AE	1	5250059	5	3
Verified	2019-12-31	daveward2005	46D5A69FBED466AE	1	2265711	5	3

History

Date	User	Type	Result
2025-01-02	Stef42	NF-PM1	B1=1093000, B2=1905976800
2019-12-31	daveward2005	C-PRP	M8016677/175464388973954474369 : 46D5A69FBED466AE PRP: Verified PRP without proof (not generated)
2018-07-09	_p95holder_	C-PRP	M8016677/175464388973954474369 : 46D5A69FBED466AE PRP: Verified PRP without proof (not generated)
2011-06-01	James Heinrich	F-PM1	Factor: 175464388973954474369