8 061 007 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
80610071	8	26.3	old
6658391783	10	32.6	2008-09-08 04:23:29

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-31	_p95holder_	1655C6E016BF6319	2	2574784	5	3
Verified	2020-01-14	tottenhoff	1655C6E016BF6319	2	4632568	5	3

History

Date	User	Type	Result
2024-02-26	Stef42	NF-PM1	B1=937000, B2=1792472220
2020-01-14	tottenhoff	C-PRP	M8061007/80610071/6658391783 : 1655C6E016BF6319 PRP: Verified PRP without proof (not generated)
2018-07-31	_p95holder_	C-PRP	M8061007/80610071/6658391783 : 1655C6E016BF6319 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 6658391783