5 601 389 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
43283505209359421359	20	65.2	old

Status	Date	User	Residue	Shift
Verified (Factored)		Rob Harger	1F620A46B1CD4A42	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	BA962B14847CAED4	1	0	1	3
Verified	2018-07-12	Oliver Kruse	BA962B14847CAED4	1	3149723	1	3

History

Date	User	Type	Result
2025-06-23	Sid & Andy	NF-PM1	B1=3200000, B2=8743213050
2023-05-12	This -Anonymous-	NF-PM1	B1=50000, B2=1000000, E=6
2018-07-12	Oliver Kruse	C-PRP	M5601389/43283505209359421359 : BA962B14847CAED4 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M5601389/43283505209359421359 : BA962B14847CAED4 PRP: Verified PRP without proof (not generated)