9 655 777 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 2⁶⁹

TF target 2⁶⁸

Factored

Factor	Digits	Bits	Date
5712338361647	13	42.4	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-11-09	mnd9	97E2EDB3463AD7B8	1	242485	5	3
Verified	Certified Good	2020-12-19	storm5510	97E2EDB3463AD7B8	1	5110455	5	3

History

Date	User	Type	Result
2025-12-31	Mingye Wang	NF-PM1	B1=1700000, B2=3799125330
2025-12-08	Mingye Wang	NF	no factor TF: 68-69
2020-12-19	Evans Paschal	CERT	Proof certified good
2020-12-19	storm5510	C-PRP	M9655777/5712338361647 : 97E2EDB3463AD7B8 Proof Certified Good Proof Power: 8
2019-11-09	mnd9	C-PRP	M9655777/5712338361647 : 97E2EDB3463AD7B8

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