8 315 273 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
266088737	9	28.0	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-10	Oliver Kruse	0A68B7732F3F9789	1	4607111	5	3
Verified	PRP without proof (not generated)	2020-04-18	Luigi Morelli	0A68B7732F3F9789	1	7782014	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2725257990
2020-04-18	Luigi Morelli	C-PRP	M8315273/266088737 : 0A68B7732F3F9789
2018-10-10	Oliver Kruse	C-PRP	M8315273/266088737 : 0A68B7732F3F9789

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