2 430 569 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
441996019974799459625207	24	78.5	2016-06-10 11:47:19

ECM

Digits	B1	Curves
25	50000	45 / 280

Estimated T-Level: 20.8 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Mischa Kenn	1502EFCC34FADD72	0
Verified (Factored)	1999-09-07	John St. Clair	1502EFCC34FADD72	655058

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	Oliver Kruse	48C752B898DC36C9	1	1574984	5	3
Verified	2017-11-27	kkmrkkblmbrbk	48C752B898DC36C9	1	1222096	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-27	kkmrkkblmbrbk	C-PRP	M2430569/441996019974799459625207 : 48C752B898DC36C9 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2430569/441996019974799459625207 : 48C752B898DC36C9 PRP: Verified PRP without proof (not generated)
2016-06-10	bam	F-ECM	Factor: 441996019974799459625207 / (ECM curve 2, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-10-25	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-05	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-28	James Heinrich	NF-PM1	B1=165000, B2=3795000, E=6
2011-01-18	Joss	NF-PM1	B1=50000
2010-10-09	Oscar Östlin	NF-PM1	B1=40000, B2=640000, E=6
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61