8 031 911 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
144574399	9	27.1	old
1686701311	10	30.7	2008-09-08 03:44:36
2855633509297	13	41.4	2008-09-08 03:44:36

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-19	_p95holder_	CF8A5147AC97B1DD	3	1800676	5	3
Verified	2020-01-05	Jaytholomew	CF8A5147AC97B1DD	3	5180860	5	3

History

Date	User	Type	Result
2024-03-27	Stef42	NF-PM1	B1=3000000, B2=6280310400
2020-01-05	Jaytholomew	C-PRP	M8031911/144574399/1686701311/2855633509297 : CF8A5147AC97B1DD PRP: Verified PRP without proof (not generated)
2018-07-19	_p95holder_	C-PRP	M8031911/144574399/1686701311/2855633509297 : CF8A5147AC97B1DD PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 2855633509297
2008-09-08	Will Edgington	F	Factor: 1686701311