8 328 007 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
2951972293994639	16	51.4	old
9451779686732791	16	53.1	2014-09-03 11:21:48

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-12	trebor	777EF3BBFCC514D0	2	1614863	5	3
Verified	PRP without proof (not generated)	2020-04-20	ATH	777EF3BBFCC514D0	2	6564264	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2788626750
2020-04-20	ATH	C-PRP	M8328007/2951972293994639/9451779686732791 : 777EF3BBFCC514D0
2018-10-12	trebor	C-PRP	M8328007/2951972293994639/9451779686732791 : 777EF3BBFCC514D0
2014-09-03	TJAOI	F	Factor: 9451779686732791

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