2 213 191 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
39759289327562099222023	23	75.1	2020-08-04 10:56:40

ECM

Digits	B1	Curves
25	50000	98 / 280

Estimated T-Level: 21.8 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Greg Hawley	65747B774499F389	0
Verified (Factored)	1999-02-21	Kent Lee	65747B774499F389	1252942
Verified (Factored)	2018-04-18	kkmrkkblmbrbk	65747B774499F389	594305

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-04	M Miller	FA3D7EA1DEA21852	1	2160442	5	3
Verified	2020-08-05	marssystems	FA3D7EA1DEA21852	1	1104838	5	3

History

Date	User	Type	Result
2020-08-05	marssystems	C-PRP	M2213191/39759289327562099222023 : FA3D7EA1DEA21852 PRP: Verified PRP without proof (not generated)
2020-08-04	M Miller	C-PRP	M2213191/39759289327562099222023 : FA3D7EA1DEA21852 PRP: Verified PRP without proof (not generated)
2020-08-04	daveward2005	F-ECM	Factor: 39759289327562099222023 / (ECM curve 2, B1=50000, B2=5000000)
2020-01-13	mikr	NF-PM1	B1=5000000, B2=200000000, E=12
2019-04-29	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-18	kkmrkkblmbrbk	C-LL	65747B774499F389
2016-12-12	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-12-11	Alexander Dubrovin	NF-PM1	B1=2000000, B2=65000000, E=12
2015-11-14	Alexander Dubrovin	NF-PM1	B1=1500000, B2=10000000, E=12
2015-11-14	Alexander Dubrovin	NF-PM1	B1=1000000, B2=5000000, E=6
2015-10-22	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-06	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-06	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-12-03	LaurV	NF	no factor from 2^62 to 2^63
2012-04-17	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2012-01-07	Squeeky_Squirrel	NF-PM1	B1=145000, B2=3190000, E=6
2011-01-16	Joss	NF-PM1	B1=50000
2010-10-03	Oscar Östlin	NF-PM1	B1=35000, B2=551250
2009-01-07	Sturle Sunde	NF	no factor from 2^60 to 2^61

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