2 293 301 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
3890680013074259423	19	61.8	2011-11-16 16:58:30

ECM

Digits	B1	Curves
25	50000	76 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1997-12-21	Bruce Loving	110ED689BE986D3C	0
Verified (Factored)	1999-03-26	Jakob Trier	110ED689BE986D3C	1607126

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-11	Oliver Kruse	59ED6704C6B8900B	1	0	1	3
Verified	2017-11-22	kkmrkkblmbrbk	59ED6704C6B8900B	1	122833	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-22	kkmrkkblmbrbk	C-PRP	M2293301/3890680013074259423 : 59ED6704C6B8900B PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2293301/3890680013074259423 : 59ED6704C6B8900B PRP: Verified PRP without proof (not generated)
2016-04-24	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2011-11-16	Dmitry B. Khachaturov	F-ECM	Factor: 3890680013074259423
2011-01-17	Oscar Östlin	NF-PM1	B1=85000, B2=1742500, E=6
2010-12-02	Oscar Östlin	NF-PM1	B1=75011
2010-11-15	Joss	NF-PM1	B1=20000
2010-11-07	Joss	NF-PM1	B1=15000
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61