8 314 981 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
85550976953257	14	46.3	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-07	ATH	16B92A7B35E4E919	1	2358604	5	3
Verified	PRP without proof (not generated)	2020-04-18	arnaud	16B92A7B35E4E919	1	2372721	5	3

History

Date	User	Type	Result
2024-06-07	Stef42	NF-PM1	B1=1523000, B2=2598501360
2020-04-18	arnaud	C-PRP	M8314981/85550976953257 : 16B92A7B35E4E919
2018-10-07	ATH	C-PRP	M8314981/85550976953257 : 16B92A7B35E4E919

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