6 726 989 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶⁷

Factored

Factor	Digits	Bits	Date
4520536609	10	32.1	old
7885595885921286727	19	62.8	2016-10-11 11:31:03

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-01-06	Oliver Kruse	C50D9101074F1644	2	5815876	5	3
Verified	PRP without proof (not generated)	2018-12-04	storm5510	C50D9101074F1644	2	3019283	5	3

History

Date	User	Type	Result
2023-12-23	Stef42	NF-PM1	B1=288000, B2=449085000
2018-12-04	storm5510	C-PRP	M6726989/4520536609/7885595885921286727 : C50D9101074F1644
2018-01-06	Oliver Kruse	C-PRP	M6726989/4520536609/7885595885921286727 : C50D9101074F1644
2016-10-11	TJAOI	F	Factor: 7885595885921286727