1 301 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
161317830296866767945829203107381353	36	117.0	old
3172016620920990460580749619964431858642380903	46	151.2	2011-12-13 19:36:06

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-11-16	kkmrkkblmbrbk	PRP_PRP_PRP_PRP_	2	746	1	3
Verified (Factored)	2017-12-07	ATH	PRP_PRP_PRP_PRP_	2	771	1	3

History

Date	User	Type	Result
2017-12-07	ATH	P-PRP	M1301/161317830296866767945829203107381353/3172016620920990460580749619964431858642380903 is a probable prime.
2017-11-16	kkmrkkblmbrbk	P-PRP	M1301/161317830296866767945829203107381353/3172016620920990460580749619964431858642380903 is a probable prime.
2011-12-13	Michael Kenn	F-ECM	Factor: 3172016620920990460580749619964431858642380903