7 893 317 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
8172235249513	13	42.9	old
909054043409887	15	49.7	2008-09-30 23:49:24

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-20	_p95holder_	2274D20339BAC3A8	2	942368	5	3
Verified	2019-11-11	arnaud	2274D20339BAC3A8	2	2934306	5	3

History

Date	User	Type	Result
2024-02-02	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-11	arnaud	C-PRP	M7893317/8172235249513/909054043409887 : 2274D20339BAC3A8 PRP: Verified PRP without proof (not generated)
2018-06-20	_p95holder_	C-PRP	M7893317/8172235249513/909054043409887 : 2274D20339BAC3A8 PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 909054043409887