2 570 459 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
3043753378360366073119	22	71.4	2015-12-18 08:37:03

ECM

Digits	B1	Curves
25	50000	18 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Bjorn Skog	BBC4D8D3AB5E7FF8	0
Verified (Factored)	1999-04-13	Paul Kimoto	BBC4D8D3AB5E7FF8	0
Verified (Factored)	1999-09-22	Ronny Karl	BBC4D8D3AB5E7FF8	1274088

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	1BBC1213FA8F555C	1	0	1	3
Verified	2017-11-11	Oliver Kruse	1BBC1213FA8F555C	1	2549662	1	3

History

Date	User	Type	Result
2023-01-28	USAFSS	NF-PM1	B1=360000, B2=340942140
2017-11-11	Oliver Kruse	C-PRP	M2570459/3043753378360366073119 : 1BBC1213FA8F555C PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M2570459/3043753378360366073119 : 1BBC1213FA8F555C PRP: Verified PRP without proof (not generated)
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-12-18	guru	F-ECM	Factor: 3043753378360366073119 / (ECM curve 3, B1=50000, B2=5000000)
2015-11-08	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
2013-10-09	lycorn	NF	no factor from 2^62 to 2^63
2012-06-18	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-04-16	James Heinrich	NF-PM1	B1=175000, B2=4112500, E=6
2011-01-10	Joss	NF-PM1	B1=50000
2011-01-03	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2009-01-30	Sturle Sunde	NF	no factor from 2^60 to 2^61