8 311 739 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
66493913	8	26.0	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-06	ATH	31B27C312B8F9E2D	1	1856659	5	3
Verified	PRP without proof (not generated)	2020-04-22	Nesowa	31B27C312B8F9E2D	1	7808142	5	3

History

Date	User	Type	Result
2024-06-04	Stef42	NF-PM1	B1=1507000, B2=6593631330
2020-04-22	Nesowa	C-PRP	M8311739/66493913 : 31B27C312B8F9E2D
2018-10-06	ATH	C-PRP	M8311739/66493913 : 31B27C312B8F9E2D

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