17 179 121 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 4 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
127915734967	12	36.9	old
6099549985777	13	42.5	2008-09-08 13:26:11
5755384300259809	16	52.4	2014-08-05 10:37:56
13549251688455489631	20	63.6	2017-03-13 12:27:35

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2024-09-17	Luke Durant	EB7626EA67EBF895	4	12353544	5	3

History

Date	User	Type	Result
2024-09-17	Luke Durant	CERT	PRP Certification Proof certified good
2024-09-17	Luke Durant	C-PRP	M17179121/127915734967/6099549985777/5755384300259809/13549251688455489631 : EB7626EA67EBF895 PRP proof power = 8 PRP: Verified Proof certified good
2024-02-23	alpertron	NF-PM1	B1=500000, B2=156770460
2017-03-13	TJAOI	F	Factor: 13549251688455489631 / TF: 63-64
2014-08-05	TJAOI	F	Factor: 5755384300259809
2008-09-08	Will Edgington	F	Factor: 6099549985777