8 316 611 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
16633223	8	24.0	old
149698999	9	27.2	2008-09-08 04:30:13

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-11	Oliver Kruse	DA873D9698C5F8BC	2	6637162	5	3
Verified	PRP without proof (not generated)	2020-04-18	arnaud	DA873D9698C5F8BC	2	6082114	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2661870120
2020-04-18	arnaud	C-PRP	M8316611/16633223/149698999 : DA873D9698C5F8BC
2018-10-11	Oliver Kruse	C-PRP	M8316611/16633223/149698999 : DA873D9698C5F8BC
2008-09-08	Will Edgington	F	Factor: 149698999

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