2 713 453 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
5985340445974706145841	22	72.3	2017-07-15 18:48:48

ECM

Digits	B1	Curves
25	50000	22 / 280

Estimated T-Level: 20.4 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Robert Wolff	A43F6DB9C601813F	0
Verified (Factored)	1999-04-13	Darren Abbey	A43F6DB9C601813F	2139647

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	alpertron	6812827CB0D78771	1	0	1	3
Verified	2017-11-15	Oliver Kruse	6812827CB0D78771	1	1262091	1	3

History

Date	User	Type	Result
2017-11-15	Oliver Kruse	C-PRP	M2713453/5985340445974706145841 : 6812827CB0D78771 PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M2713453/5985340445974706145841 : 6812827CB0D78771 PRP: Verified PRP without proof (not generated)
2017-07-15	bam	F-ECM	Factor: 5985340445974706145841 / (ECM curve 1, B1=50000, B2=5000000)
2016-09-18	mikr	NF-PM1	B1=2700000, B2=84000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-04-23	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-04-21	James Heinrich	NF-PM1	B1=185000, B2=4578750, E=6
2011-01-18	Joss	NF-PM1	B1=50000
2010-12-26	Joss	NF-PM1	B1=30000
2010-12-19	Joss	NF-PM1	B1=20000
2009-01-27	Sturle Sunde	NF	no factor from 2^60 to 2^61