8 064 257 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
306441767	9	28.2	old
2039998964777	13	40.9	2008-09-08 04:23:31

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-31	_p95holder_	76F85EFFC8CE0A89	2	5508823	5	3
Verified	2020-01-17	Luigi Morelli	76F85EFFC8CE0A89	2	818675	5	3

History

Date	User	Type	Result
2024-02-26	Stef42	NF-PM1	B1=967000, B2=2044750890
2020-01-17	Luigi Morelli	C-PRP	M8064257/306441767/2039998964777 : 76F85EFFC8CE0A89 PRP: Verified PRP without proof (not generated)
2018-07-31	_p95holder_	C-PRP	M8064257/306441767/2039998964777 : 76F85EFFC8CE0A89 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 2039998964777