2 366 731 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
14269459040088487289	20	63.6	2013-11-06 16:07:52

ECM

Digits	B1	Curves
25	50000	198 / 280

Estimated T-Level: 23.5 ⓘ

TF below 2^73 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		John Lloyd	CC80806C14BE5AD9	0
Verified (Factored)	2001-01-14	Matthias Müller	CC80806C14BE5AD9	1389620

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	kkmrkkblmbrbk	5B211BC894812BB8	1	2046117	5	3
Verified	2017-11-01	Oliver Kruse	5B211BC894812BB8	1	1688113	5	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2018-04-27	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-01	Oliver Kruse	C-PRP	M2366731/14269459040088487289 : 5B211BC894812BB8 PRP: Verified PRP without proof (not generated)
2017-10-13	kkmrkkblmbrbk	C-PRP	M2366731/14269459040088487289 : 5B211BC894812BB8 PRP: Verified PRP without proof (not generated)
2013-11-06	arnaud	F-ECM	Factor: 14269459040088487289
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-30	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-12-30	markr	NF-PM1	B1=100000, B2=2025000, E=6
2010-11-03	Joss	NF-PM1	B1=20000
2009-01-15	Sturle Sunde	NF	no factor from 2^60 to 2^61