7 283 149 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
3190019263	10	31.6	old
56547767200609	14	45.7	2008-09-30 23:48:20
42000174123497604169	20	65.2	2018-07-17 10:17:23

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-02-26	Oliver Kruse	F9C941D430604DCA	2	623166	5	3
Verified	2018-07-20	_p95holder_	F9C941D430604DCA	3	1083751	5	3

History

Date	User	Type	Result
2024-02-03	Stef42	NF-PM1	B1=2500000, B2=6505107840
2018-07-20	_p95holder_	C-PRP	M7283149/3190019263/56547767200609/42000174123497604169 : F9C941D430604DCA PRP: Verified PRP without proof (not generated)
2018-07-17	TJAOI	F	Factor: 42000174123497604169 / TF: 65-66
2018-02-26	Oliver Kruse	C-PRP	M7283149/3190019263/56547767200609 : F9C941D430604DCA PRP: Verified PRP without proof (not generated)
2008-09-30	markr	F	Factor: 56547767200609