7 817 573 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 2⁶⁷

Factored

Factor	Digits	Bits	Date
422148943	9	28.7	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2018-05-20	storm5510	D91386DBDA7E538D	1	3573919	5	3
Verified	PRP without proof (not generated)	2019-10-23	kracker	D91386DBDA7E538D	1	6840541	5	3

History

Date	User	Type	Result
2024-02-05	Stef42	NF-PM1	B1=843000, B2=1382772300
2019-10-23	kracker	C-PRP	M7817573/422148943 : D91386DBDA7E538D
2018-05-20	storm5510	C-PRP	M7817573/422148943 : D91386DBDA7E538D

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