2 418 511 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
29461360546778939606813238433	29	94.6	2017-04-11 18:29:11

ECM

Digits	B1	Curves
25	50000	27 / 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)	1998-02-12	Robert R. Fenichel	CFAD541B0A13C157	0
Verified (Factored)	1999-03-26	David M. Smith	CFAD541B0A13C157	1329437

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	Oliver Kruse	7CED9F0A07856802	1	2398058	5	3
Verified	2017-11-27	kkmrkkblmbrbk	7CED9F0A07856802	1	46059	5	3

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-21	PRAMEY PANDEY	factor ECM small		0.00 %	2024-04-21

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-27	kkmrkkblmbrbk	C-PRP	M2418511/29461360546778939606813238433 : 7CED9F0A07856802 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2418511/29461360546778939606813238433 : 7CED9F0A07856802 PRP: Verified PRP without proof (not generated)
2017-04-11	bam	F-ECM	Factor: 29461360546778939606813238433 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-10-22	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
2014-04-04	mikr	NF-PM1	B1=3102822, B2=43439508, E=12
2013-12-04	Jerry Hallett	NF	no factor from 2^62 to 2^63
2012-06-04	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-12-18	markr	NF-PM1	B1=95000, B2=1923750, E=6
2010-11-16	Joss	NF-PM1	B1=20000
2010-11-09	Joss	NF-PM1	B1=15000
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61