8 323 789 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
438497204521	12	38.7	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-10-15	Oliver Kruse	7C9191CDCE0A17C8	1	7945727	5	3
Verified	PRP without proof (not generated)	2020-04-20	marssystems	7C9191CDCE0A17C8	1	1446793	5	3

History

Date	User	Type	Result
2024-06-10	Stef42	NF-PM1	B1=1375000, B2=2725257990
2020-04-20	marssystems	C-PRP	M8323789/438497204521 : 7C9191CDCE0A17C8
2018-10-15	Oliver Kruse	C-PRP	M8323789/438497204521 : 7C9191CDCE0A17C8

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