15 359 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 PRP (Probable-Prime).

Factored

Factor	Digits	Bits	Date
532687614329637907859737	24	78.8	old
12672796311755759806248811955470769486263	41	133.2	2019-04-27 22:19:13

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	B31E7D26ED174040	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	B31E7D26ED174040	1	5466	1	3
Verified	2019-04-28	ANONYMOUS	PRP_PRP_PRP_PRP_	2	562	1	3
Verified	2019-04-28	ATH	PRP_PRP_PRP_PRP_	2	7673	1	3

History

Date	User	Type	Result
2019-04-28	ATH	P-PRP	M15359/532687614329637907859737/12672796311755759806248811955470769486263 is a probable prime.
2019-04-28	ANONYMOUS	P-PRP	M15359/532687614329637907859737/12672796311755759806248811955470769486263 is a probable prime.
2019-04-27	Niels_Mache_Nextcloud	F-ECM	Factor: 12672796311755759806248811955470769486263 / (ECM curve 2, B1=3000000, B2=300000000)
2017-10-12	kkmrkkblmbrbk	C-PRP	M15359/532687614329637907859737 : B31E7D26ED174040 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M15359/532687614329637907859737 : B31E7D26ED174040 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M15359/532687614329637907859737 : B31E7D26ED174040 PRP without proof (not generated)