2 109 959 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
37255399096314634230263	23	75.0	2015-08-03 16:38:04

ECM

Digits	B1	Curves
25	50000	118 / 280

Estimated T-Level: 22.1 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Marty Weirick	A6AD29EDF1BA41F6	0
Verified (Factored)	1999-02-07	Cornelius Caesar	A6AD29EDF1BA41F6	1303419

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-07	Oliver Kruse	071CF7F079BF6B7A	1	0	1	3
Verified	2017-11-17	kkmrkkblmbrbk	071CF7F079BF6B7A	1	1042302	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-17	kkmrkkblmbrbk	C-PRP	M2109959/37255399096314634230263 : 071CF7F079BF6B7A PRP: Verified PRP without proof (not generated)
2017-10-07	Oliver Kruse	C-PRP	M2109959/37255399096314634230263 : 071CF7F079BF6B7A PRP: Verified PRP without proof (not generated)
2016-03-18	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-08-03	guru	F-ECM	Factor: 37255399096314634230263 / (ECM curve 2, B1=50000, B2=5000000)
2015-03-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-05	ramgeis	NF	no factor from 2^62 to 2^63
2012-03-30	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-25	James Heinrich	NF-PM1	B1=140000, B2=3010000, E=6
2011-01-10	Joss	NF-PM1	B1=50000
2010-12-30	Joss	NF-PM1	B1=30000
2009-08-02	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61