2 298 731 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
22751366863431242830832659009	29	94.2	2020-08-02 16:47:48

ECM

Digits	B1	Curves
25	50000	85 / 280

Estimated T-Level: 21.5 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Jeremy Buhler	3365BFFC6CD36502	0
Verified (Factored)	1999-02-21	Bruce Mitchell	3365BFFC6CD36502	1985273
Verified (Factored)	2018-04-30	kkmrkkblmbrbk	3365BFFC6CD36502	508632

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-03	mnd9	D1011A2AE3719C04	1	1164663	5	3
Verified	2020-08-04	marssystems	D1011A2AE3719C04	1	1050694	5	3

History

Date	User	Type	Result
2023-05-13	This -Anonymous-	NF-PM1	B1=800000, B2=40000000, E=12
2020-08-04	marssystems	C-PRP	M2298731/22751366863431242830832659009 : D1011A2AE3719C04 PRP: Verified PRP without proof (not generated)
2020-08-03	mnd9	C-PRP	M2298731/22751366863431242830832659009 : D1011A2AE3719C04 PRP: Verified PRP without proof (not generated)
2020-08-02	GAN	F-ECM	Factor: 22751366863431242830832659009 / (ECM curve 1, B1=50000, B2=5000000, Sigma=3689823363750850)
2019-03-18	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-30	kkmrkkblmbrbk	C-LL	3365BFFC6CD36502
2017-05-27	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-11-04	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-12	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-12	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-12-06	Jerry Hallett	NF	no factor from 2^62 to 2^63
2013-11-16	c10ck3r	NF-PM1	B1=500000, B2=10000000, E=12
2012-05-12	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-17	Oscar Östlin	NF-PM1	B1=90000, B2=1755000, E=6
2010-10-20	Oscar Östlin	NF-PM1	B1=75011
2009-01-14	Sturle Sunde	NF	no factor from 2^60 to 2^61