5 568 239 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
44545913	8	25.4	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-08	Oliver Kruse	6C0252B1F6CD33F6	1	3598416	5	3
Verified	2018-04-02	kkmrkkblmbrbk	6C0252B1F6CD33F6	1	3563256	5	3

History

Date	User	Type	Result
2025-06-10	Sid & Andy	NF-PM1	B1=3500000, B2=7117186230
2025-05-21	Sid & Andy	NF	no factor from 2^68 to 2^70
2023-05-12	This -Anonymous-	NF-PM1	B1=50000, B2=1000000
2018-04-02	kkmrkkblmbrbk	C-PRP	M5568239/44545913 : 6C0252B1F6CD33F6 PRP: Verified PRP without proof (not generated)
2017-12-08	Oliver Kruse	C-PRP	M5568239/44545913 : 6C0252B1F6CD33F6 PRP: Verified PRP without proof (not generated)