6 658 129 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
36380016857	11	35.1	old
508781779775513	15	48.9	2014-04-16 11:24:04

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-01	Oliver Kruse	74EE90B62224F6D3	2	5390528	5	3
Verified	2018-11-19	pew	74EE90B62224F6D3	2	1579504	5	3

History

Date	User	Type	Result
2023-12-10	Stef42	NF-PM1	B1=110000, B2=168988050
2018-11-19	pew	C-PRP	M6658129/36380016857/508781779775513 : 74EE90B62224F6D3 PRP: Verified PRP without proof (not generated)
2018-01-01	Oliver Kruse	C-PRP	M6658129/36380016857/508781779775513 : 74EE90B62224F6D3 PRP: Verified PRP without proof (not generated)
2014-04-16	TJAOI	F	Factor: 508781779775513