8 062 643 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
193503433	9	27.5	old
342839705647	12	38.3	2008-09-08 04:23:30

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-27	_p95holder_	92E9DE8BE834646F	2	2870651	5	3
Verified	2020-01-15	marssystems	92E9DE8BE834646F	2	149028	5	3

History

Date	User	Type	Result
2024-02-26	Stef42	NF-PM1	B1=937000, B2=1792472220
2020-01-15	marssystems	C-PRP	M8062643/193503433/342839705647 : 92E9DE8BE834646F PRP: Verified PRP without proof (not generated)
2018-07-27	_p95holder_	C-PRP	M8062643/193503433/342839705647 : 92E9DE8BE834646F PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 342839705647