6 980 731 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
98791305113	11	36.5	old
53121911979023113	17	55.6	2015-01-31 12:49:12

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-01-28	Oliver Kruse	4346DD6654ADCAD0	2	872939	5	3
Verified	2019-02-18	kkmrkkblmbrbk	4346DD6654ADCAD0	2	3535663	5	3

History

Date	User	Type	Result
2024-01-01	Stef42	NF-PM1	B1=600000, B2=1280476890
2019-02-18	kkmrkkblmbrbk	C-PRP	M6980731/98791305113/53121911979023113 : 4346DD6654ADCAD0 PRP: Verified PRP without proof (not generated)
2018-01-28	Oliver Kruse	C-PRP	M6980731/98791305113/53121911979023113 : 4346DD6654ADCAD0 PRP: Verified PRP without proof (not generated)
2015-01-31	TJAOI	F	Factor: 53121911979023113 / TF: 55-56