78 737 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
23714605956035916529	20	64.4	old
67059801476528402969297162417	29	95.8	2019-04-06 23:39:54

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	D51EF0AFC2086B3E	1	0	1	3
Verified (Factored)	2017-10-13	kkmrkkblmbrbk	D51EF0AFC2086B3E	1	17875	1	3
Verified	2019-04-06	ATH	PRP_PRP_PRP_PRP_	2	55410	1	3
Verified	2019-04-07	matzetoni	PRP_PRP_PRP_PRP_	2	2679	1	3

History

Date	User	Type	Result
2019-04-07	matzetoni	P-PRP	M78737/23714605956035916529/67059801476528402969297162417 is a probable prime.
2019-04-06	ATH	P-PRP	M78737/23714605956035916529/67059801476528402969297162417 is a probable prime.
2019-04-06	Niels_Mache_Nextcloud	F-ECM	Factor: 67059801476528402969297162417 / (ECM curve 2, B1=1000000, B2=100000000)
2017-10-13	kkmrkkblmbrbk	C-PRP	M78737/23714605956035916529 : D51EF0AFC2086B3E PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M78737/23714605956035916529 : D51EF0AFC2086B3E PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M78737/23714605956035916529 : D51EF0AFC2086B3E PRP without proof (not generated)
2016-12-19	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12