11 623 637 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
3569825823438601	16	51.7	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-04	kracker	11221B831D1FC150	1	2752180	5	3
Verified	2021-10-06	LaurV	11221B831D1FC150	1	2548274	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
2025-03-28	yuriy_5-1	NF	no factor from 2^68 to 2^69
2025-03-11	yuriy_5-1	NF-PM1	B1=6974178, B2=448710240
2025-02-10	yuriy_5-1	NF-PM1	B1=4649452, B2=600079260
2024-06-17	yuriy_5-1	NF-PM1	B1=262144, B2=137022600
2021-10-06	LovinTenderTu	CERT	PRP Certification Proof certified good
2021-10-06	LaurV	C-PRP	M11623637/3569825823438601 : 11221B831D1FC150 PRP proof power = 8 PRP: Verified Proof certified good
2021-10-04	kracker	C-PRP	M11623637/3569825823438601 : 11221B831D1FC150 PRP: Verified PRP without proof (not generated)