5 591 917 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
3663685541375266073	19	61.7	old
23474376760361068429007	23	74.3	2023-05-12 01:41:27

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-12-09	Oliver Kruse	A18064FE2DBE0C52	1	1565488	5	3
Verified (Factored)	2018-04-05	kkmrkkblmbrbk	A18064FE2DBE0C52	1	1352298	5	3
Verified	2023-05-22	Oliver Kruse	A18064FE2DBE0C52	2	717588	5	3

History

Date	User	Type	Result
2025-05-28	Sid & Andy	NF	no factor from 2^68 to 2^70
2023-06-11	USAFSS	NF-PM1	B1=288000, B2=145491780
2023-05-22	JacobZ	CERT	PRP Certification Proof certified good
2023-05-22	Oliver Kruse	C-PRP	M5591917/3663685541375266073/23474376760361068429007 : A18064FE2DBE0C52 PRP proof power = 7 PRP: Verified Proof certified good
2023-05-12	This -Anonymous-	F-ECM	Factor: 23474376760361068429007
2018-04-05	kkmrkkblmbrbk	C-PRP	M5591917/3663685541375266073 : A18064FE2DBE0C52 PRP: Verified (Factored) PRP without proof (not generated)
2017-12-09	Oliver Kruse	C-PRP	M5591917/3663685541375266073 : A18064FE2DBE0C52 PRP: Verified (Factored) PRP without proof (not generated)