8 016 779 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
16033559	8	23.9	old
1207904125489	13	40.1	2008-09-08 03:44:03

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-11	_p95holder_	6238767B61595483	2	6341130	5	3
Verified	2020-01-01	arnaud	6238767B61595483	2	2063156	5	3

History

Date	User	Type	Result
2024-02-24	Stef42	NF-PM1	B1=937000, B2=1792472220
2020-01-01	arnaud	C-PRP	M8016779/16033559/1207904125489 : 6238767B61595483 PRP: Verified PRP without proof (not generated)
2018-07-11	_p95holder_	C-PRP	M8016779/16033559/1207904125489 : 6238767B61595483 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 1207904125489