8 328 337 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
5246852311	10	32.3	old
10425878643473	14	43.2	2008-09-08 04:30:31

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	Oliver Kruse	6444D45E6B4C50E2	2	2924591	5	3
Verified	PRP without proof (not generated)	2020-04-22	marssystems	6444D45E6B4C50E2	2	7682116	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2978771250
2020-04-22	marssystems	C-PRP	M8328337/5246852311/10425878643473 : 6444D45E6B4C50E2
2018-10-15	Oliver Kruse	C-PRP	M8328337/5246852311/10425878643473 : 6444D45E6B4C50E2
2008-09-08	Will Edgington	F	Factor: 10425878643473