8 009 843 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
125787103121639	15	46.8	old
1330959086425921	16	50.2	2008-09-08 03:43:59

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-09	_p95holder_	B4A851C6EB8ECAF9	2	308256	5	3
Verified	2019-12-29	GAN	B4A851C6EB8ECAF9	2	3552813	5	3

History

Date	User	Type	Result
2024-02-25	Stef42	NF-PM1	B1=949000, B2=1793869350
2019-12-29	GAN	C-PRP	M8009843/125787103121639/1330959086425921 : B4A851C6EB8ECAF9 PRP: Verified PRP without proof (not generated)
2018-07-09	_p95holder_	C-PRP	M8009843/125787103121639/1330959086425921 : B4A851C6EB8ECAF9 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 1330959086425921