18 020 011 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
135589338288137	15	46.9	old
94922338121867542359146993	26	86.3	2025-09-09 20:55:44

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2025-05-08	Daniil Tsarkov	A6ADD50878A3B23E	1	10859695	5	3
Verified	2025-09-16	Kyle Askine	A6ADD50878A3B23E	2	7501438	5	3

P-1 factors

Date	Factor	B1	B2
2025-09-09	94922338121867542359146993	1943000	1959249600

History

Date	User	Type	Result
2025-09-16	coffeeguy	CERT	PRP Certification Proof certified good
2025-09-16	Kyle Askine	C-PRP	M18020011/135589338288137/94922338121867542359146993 : A6ADD50878A3B23E PRP proof power = 8 PRP: Verified Proof certified good
2025-09-09	Kyle Askine	F-PM1	Factor: 94922338121867542359146993 / (P-1, B1=1943000, B2=1959249600)
2025-06-06	Kyle Askine	NF	no factor from 2^68 to 2^72
2025-05-08	twmoss	CERT	PRP Certification Proof certified good
2025-05-08	Daniil Tsarkov	C-PRP	M18020011/135589338288137 : A6ADD50878A3B23E PRP proof power = 8 PRP: Verified (Factored) Proof certified good