8 328 451 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
2348623183	10	31.1	old
7499775788846681	16	52.7	2014-08-22 11:22:00

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	Oliver Kruse	84E87CF8A981A75F	2	7034957	5	3
Verified	PRP without proof (not generated)	2020-04-21	marssystems	84E87CF8A981A75F	2	6090002	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1390000, B2=2915383380
2020-04-21	marssystems	C-PRP	M8328451/2348623183/7499775788846681 : 84E87CF8A981A75F
2018-10-15	Oliver Kruse	C-PRP	M8328451/2348623183/7499775788846681 : 84E87CF8A981A75F
2014-08-22	TJAOI	F	Factor: 7499775788846681