2 263 069 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
5938990079537186622079	22	72.3	2017-12-22 07:50:42

ECM

Digits	B1	Curves
25	50000	87 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Hgin normaalilyseo	76F32FCB256CD809	0
Verified (Factored)	1999-03-01	Michael Collier	76F32FCB256CD809	1989614

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-22	ATH	5A0D23954A6C243C	1	864696	5	3
Verified	2017-12-23	storm5510	5A0D23954A6C243C	1	496182	5	3

History

Date	User	Type	Result
2023-01-28	USAFSS	NF-PM1	B1=288000, B2=308189700
2017-12-23	storm5510	C-PRP	M2263069/5938990079537186622079 : 5A0D23954A6C243C PRP: Verified PRP without proof (not generated)
2017-12-22	ATH	C-PRP	M2263069/5938990079537186622079 : 5A0D23954A6C243C PRP: Verified PRP without proof (not generated)
2017-12-22	bam	F-ECM	Factor: 5938990079537186622079 / (ECM curve 2, B1=50000, B2=5000000)
2017-01-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-29	Joss	NF-PM1	B1=342144, B2=3421440, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-10-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-10	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-10	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-02	Joss	NF-PM1	B1=128362
2013-12-06	Jerry Hallett	NF	no factor from 2^62 to 2^63
2012-05-05	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-04	markr	NF-PM1	B1=100000, B2=2100000, E=6
2010-11-12	Joss	NF-PM1	B1=30000
2010-11-07	Joss	NF-PM1	B1=15000
2009-01-11	Sturle Sunde	NF	no factor from 2^60 to 2^61