6 985 799 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
13971599	8	23.7	old
6445545248537	13	42.6	2008-09-08 03:06:18

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-27	pew	4F5BB88D5AB02BC7	2	1592727	5	3
Verified	2019-02-19	kkmrkkblmbrbk	4F5BB88D5AB02BC7	2	393094	5	3

History

Date	User	Type	Result
2024-01-01	Stef42	NF-PM1	B1=600000, B2=1280476890
2019-02-19	kkmrkkblmbrbk	C-PRP	M6985799/13971599/6445545248537 : 4F5BB88D5AB02BC7 PRP: Verified PRP without proof (not generated)
2018-01-27	pew	C-PRP	M6985799/13971599/6445545248537 : 4F5BB88D5AB02BC7 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 6445545248537