11 631 317 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
14854614551695441	17	53.7	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-25	LaurV	720BA776CC5A52DD	1	2210879	5	3

History

Date	User	Type	Result
2025-06-10	yuriy_5-1	NF	no factor from 2^70 to 2^71
2025-05-05	yuriy_5-1	NF	no factor from 2^69 to 2^70
2025-03-31	yuriy_5-1	NF	no factor from 2^68 to 2^69
2025-03-11	yuriy_5-1	NF-PM1	B1=6978786, B2=448598700
2024-08-21	yuriy_5-1	NF-PM1	B1=2800000, B2=5818231650
2021-09-25	curtisc	CERT	PRP Certification Proof certified good
2021-09-25	LaurV	C-PRP	M11631317/14854614551695441 : 720BA776CC5A52DD PRP proof power = 8 PRP: Verified Proof certified good