6 998 209 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
3263332080056976190199	22	71.5	old

Status	Date	User	Residue	Shift
Verified (Factored)	1999-05-02	Michael Weingran	39D84802B6EC8D3F	4442784

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-30	Oliver Kruse	D357532AF1F6B950	1	3109041	5	3
Verified	2019-02-22	kkmrkkblmbrbk	D357532AF1F6B950	1	2295146	5	3

History

Date	User	Type	Result
2024-01-01	Stef42	NF-PM1	B1=600000, B2=1280476890
2019-02-22	kkmrkkblmbrbk	C-PRP	M6998209/3263332080056976190199 : D357532AF1F6B950 PRP: Verified PRP without proof (not generated)
2018-01-30	Oliver Kruse	C-PRP	M6998209/3263332080056976190199 : D357532AF1F6B950 PRP: Verified PRP without proof (not generated)