8 057 267 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
21802964503	11	34.3	old
564476011487	12	39.0	2008-09-08 04:23:27

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-21	_p95holder_	8B1A08F03FB52FDE	2	1987672	5	3
Verified	2020-01-18	kracker	8B1A08F03FB52FDE	2	7445565	5	3

History

Date	User	Type	Result
2024-02-26	Stef42	NF-PM1	B1=937000, B2=1792472220
2020-01-18	kracker	C-PRP	M8057267/21802964503/564476011487 : 8B1A08F03FB52FDE PRP: Verified PRP without proof (not generated)
2018-07-21	_p95holder_	C-PRP	M8057267/21802964503/564476011487 : 8B1A08F03FB52FDE PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 564476011487