2 667 433 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
302593415624960494852249	24	78.0	2018-05-26 06:14:16

ECM

Digits	B1	Curves
25	50000	29 / 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)		Matthias Menzel	CC37978D7C708FF5	0
Verified (Factored)	1999-04-13	Ken Davis	CC37978D7C708FF5	586034

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-28	ANONYMOUS	94E82090A6EE2672	1	1380680	5	3
Verified	2018-05-28	Oliver Kruse	94E82090A6EE2672	1	2375502	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2018-05-28	Oliver Kruse	C-PRP	M2667433/302593415624960494852249 : 94E82090A6EE2672 PRP: Verified PRP without proof (not generated)
2018-05-28	ANONYMOUS	C-PRP	M2667433/302593415624960494852249 : 94E82090A6EE2672 PRP: Verified PRP without proof (not generated)
2018-05-26	Chang Chia-Tche	F-ECM	Factor: 302593415624960494852249 / (ECM curve 2, B1=50000, B2=5000000)
2017-09-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-03-07	Joss	NF-PM1	B1=315118, B2=3151180, E=6
2017-01-10	Joss	NF-PM1	B1=218833
2016-12-18	Joss	NF-PM1	B1=182361
2016-06-08	Joss	NF-PM1	B1=151968, B2=4567500, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-25	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
2014-11-06	Joss	NF-PM1	B1=129062
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-18	markr	NF	no factor from 2^61 to 2^62
2010-12-10	markr	NF-PM1	B1=105000, B2=2283750, E=6
2010-11-19	Joss	NF-PM1	B1=20000
2009-01-31	Sturle Sunde	NF	no factor from 2^60 to 2^61