6 928 409 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
831409081	9	29.6	old
390194138063	12	38.5	2008-09-08 02:59:40

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-19	ATH	FD5FE587154709A2	2	5439524	5	3
Verified	2019-01-27	kkmrkkblmbrbk	FD5FE587154709A2	2	4300165	5	3

History

Date	User	Type	Result
2023-12-27	Stef42	NF-PM1	B1=577000, B2=1280664000
2019-01-27	kkmrkkblmbrbk	C-PRP	M6928409/831409081/390194138063 : FD5FE587154709A2 PRP: Verified PRP without proof (not generated)
2018-01-19	ATH	C-PRP	M6928409/831409081/390194138063 : FD5FE587154709A2 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 390194138063