7 983 583 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
28555886241626543	17	54.7	old
130365696942989927	18	56.9	2015-05-06 11:17:22

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-29	_p95holder_	784E9023612FF2E9	2	4779132	5	3
Verified	2019-12-20	daveward2005	784E9023612FF2E9	2	6721654	5	3

History

Date	User	Type	Result
2024-02-14	Stef42	NF-PM1	B1=859000, B2=1420146000
2019-12-20	daveward2005	C-PRP	M7983583/28555886241626543/130365696942989927 : 784E9023612FF2E9 PRP: Verified PRP without proof (not generated)
2018-06-29	_p95holder_	C-PRP	M7983583/28555886241626543/130365696942989927 : 784E9023612FF2E9 PRP: Verified PRP without proof (not generated)
2015-05-06	TJAOI	F	Factor: 130365696942989927 / TF: 56-57