12 024 863 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
6565575199	10	32.6	old
40209994851314318111951	23	75.1	2021-12-07 22:05:26

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-30	Joe S.	F06FC4391627A1D5	2	1910627	5	3

P-1 factors

Date	Factor	B1	B2
2021-12-07	40209994851314318111951	400000	109909800

History

Date	User	Type	Result
2023-07-02	nordi	NF-PM1	B1=400000, B2=428459850
2021-12-30	Chun sung soo	CERT	PRP Certification Proof certified good
2021-12-30	Joe S.	C-PRP	M12024863/6565575199/40209994851314318111951 : F06FC4391627A1D5 PRP proof power = 8 PRP: Verified Proof certified good
2021-12-07	nordi	F-PM1	Factor: 40209994851314318111951 / (P-1, B1=400000, B2=109909800)
2021-11-22	nordi	NF-PM1	B1=400000