8 329 193 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
1762790406521	13	40.7	old
688315513991561	15	49.3	2014-04-25 10:52:18

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	Oliver Kruse	0D306F7BC4C36746	2	153858	5	3
Verified	PRP without proof (not generated)	2020-05-09	Luigi Morelli	0D306F7BC4C36746	2	3565437	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1391000, B2=2915383380
2020-05-09	Luigi Morelli	C-PRP	M8329193/1762790406521/688315513991561 : 0D306F7BC4C36746
2018-10-15	Oliver Kruse	C-PRP	M8329193/1762790406521/688315513991561 : 0D306F7BC4C36746
2014-04-25	TJAOI	F	Factor: 688315513991561