9 676 987 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
3127389304687	13	41.5	old

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2019-10-11	mnd9	33D55C8336B20C49	1	4434640	5	3
Verified	Certified Good	2020-12-21	storm5510	33D55C8336B20C49	1	8285254	5	3

History

Date	User	Type	Result
2026-01-16	Mingye Wang	NF-PM1	B1=1700000, B2=3585156120
2025-12-10	Mingye Wang	NF	no factor TF: 68-69
2020-12-21	ky0uraku	CERT	Proof certified good
2020-12-21	storm5510	C-PRP	M9676987/3127389304687 : 33D55C8336B20C49 Proof Certified Good Proof Power: 8
2019-10-11	mnd9	C-PRP	M9676987/3127389304687 : 33D55C8336B20C49

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