6 948 941 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
251760132431	12	37.9	old
8559153430437551	16	52.9	2014-08-29 11:31:24
993572020783094993	18	59.8	2015-12-14 12:40:34

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-20	kkmrkkblmbrbk	1D2562586D425570	3	3900668	5	3
Verified	2019-02-07	J.R. Allen	1D2562586D425570	3	5567005	5	3

History

Date	User	Type	Result
2023-12-28	Stef42	NF-PM1	B1=577000, B2=1280664000
2019-02-07	J.R. Allen	C-PRP	M6948941/251760132431/8559153430437551/993572020783094993 : 1D2562586D425570 PRP: Verified PRP without proof (not generated)
2017-10-20	kkmrkkblmbrbk	C-PRP	M6948941/251760132431/8559153430437551/993572020783094993 : 1D2562586D425570 PRP: Verified PRP without proof (not generated)
2015-12-14	TJAOI	F	Factor: 993572020783094993 / TF: 59-60
2014-08-29	TJAOI	F	Factor: 8559153430437551