2 684 093 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
317742032953366023689	21	68.1	2017-11-15 20:38:51

ECM

Digits	B1	Curves
25	50000	26 / 280

Estimated T-Level: 20.5 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Timo Aaltonen and friends	605A2564932B49C9	0
Verified (Factored)	1999-04-13	Carl Mikkelsen	605A2564932B49C9	98076

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-16	kkmrkkblmbrbk	9C4AE9101DD60010	1	1396311	5	3
Verified	2017-11-16	Oliver Kruse	9C4AE9101DD60010	1	1633445	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-16	Oliver Kruse	C-PRP	M2684093/317742032953366023689 : 9C4AE9101DD60010 PRP: Verified PRP without proof (not generated)
2017-11-16	kkmrkkblmbrbk	C-PRP	M2684093/317742032953366023689 : 9C4AE9101DD60010 PRP: Verified PRP without proof (not generated)
2017-11-15	Chang Chia-Tche	F-ECM	Factor: 317742032953366023689 / (ECM curve 2, B1=50000, B2=5000000)
2017-09-13	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-04-07	Joss	NF-PM1	B1=335514, B2=3355140, E=6
2017-01-10	Joss	NF-PM1	B1=232996
2016-12-19	Joss	NF-PM1	B1=194164
2016-06-15	Joss	NF-PM1	B1=161804, B2=4567500, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-26	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-11	markr	NF	no factor from 2^61 to 2^62
2010-12-04	markr	NF-PM1	B1=105000, B2=2283750, E=6
2010-11-20	Joss	NF-PM1	B1=20000
2009-01-31	Sturle Sunde	NF	no factor from 2^60 to 2^61