7 990 519 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
79905191	8	26.3	old
257763851151529	15	47.9	2008-09-08 03:43:39

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-02	_p95holder_	833DFB4F3A2FC113	2	202395	5	3
Verified	2019-12-22	marssystems	833DFB4F3A2FC113	2	1020906	5	3

History

Date	User	Type	Result
2024-02-15	Stef42	NF-PM1	B1=859000, B2=1345398600
2019-12-22	marssystems	C-PRP	M7990519/79905191/257763851151529 : 833DFB4F3A2FC113 PRP: Verified PRP without proof (not generated)
2018-07-02	_p95holder_	C-PRP	M7990519/79905191/257763851151529 : 833DFB4F3A2FC113 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 257763851151529