5 945 479 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
18408758095378199	17	54.0	old
26134034798009884348915951	26	84.4	2025-09-09 17:33:53

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	CCFE06C5DB18DDF5	1	0	1	3
Verified (Factored)	2018-09-13	rucio	CCFE06C5DB18DDF5	1	2645316	1	3
Verified	2025-09-15	Gnarwhals	C5B9EF899A589D3C	2	4229406	5	3

P-1 factors

Date	Factor	B1	B2
2025-09-09	26134034798009884348915951	3000000	7491593340

History

Date	User	Type	Result
2025-09-15	choiks17	CERT	PRP Certification Proof certified good
2025-09-15	Gnarwhals	C-PRP	M5945479/18408758095378199/26134034798009884348915951 : C5B9EF899A589D3C PRP proof power = 7 PRP: Verified Proof certified good
2025-09-09	Sid & Andy	F-PM1	Factor: 26134034798009884348915951 / (P-1, B1=3000000, B2=7491593340)
2023-05-12	This -Anonymous-	NF-PM1	B1=50000, B2=1000000, E=6
2018-09-13	rucio	C-PRP	M5945479/18408758095378199 : CCFE06C5DB18DDF5 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5945479/18408758095378199 : CCFE06C5DB18DDF5 PRP: Verified (Factored) PRP without proof (not generated)