2 231 357 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
8842745886273548527563144127	28	92.8	2020-03-06 08:06:02

ECM

Digits	B1	Curves
25	50000	51 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		nphan	EDBE748573364B9D	0
Verified (Factored)	1999-02-07	Phillip L. Poplin	EDBE748573364B9D	1320005
Verified (Factored)	2018-04-20	kkmrkkblmbrbk	EDBE748573364B9D	864392

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-03-08	Bommer	8624B096FD3B6C6D	1	1075861	5	3
Verified	2020-03-10	daveward2005	8624B096FD3B6C6D	1	1330620	5	3

History

Date	User	Type	Result
2020-03-10	daveward2005	C-PRP	M2231357/8842745886273548527563144127 : 8624B096FD3B6C6D PRP: Verified PRP without proof (not generated)
2020-03-08	Bommer	C-PRP	M2231357/8842745886273548527563144127 : 8624B096FD3B6C6D PRP: Verified PRP without proof (not generated)
2020-03-06	MarkS	F-ECM	Factor: 8842745886273548527563144127 / (ECM curve 3, B1=50000, B2=5000000, Sigma=5769550828528969)
2019-04-15	TJAOI	NF	no factor from 2^67 to 2^68
2018-04-20	kkmrkkblmbrbk	C-LL	EDBE748573364B9D
2016-12-23	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
2016-01-06	Alexander Dubrovin	NF-PM1	B1=2000000, B2=65000000, E=12
2015-11-25	Alexander Dubrovin	NF-PM1	B1=1000000, B2=10000000, E=12
2015-10-25	ramgeis	NF	no factor from 2^65 to 2^66
2015-05-07	Squeeky_Squirrel	NF-PM1	B1=160000, B2=4600000, E=6
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
2014-09-30	Joss	NF-PM1	B1=142530
2014-05-26	Joss	NF-PM1	B1=113765
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-04-20	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-01-13	Oscar Östlin	NF-PM1	B1=85000, B2=1615000, E=6
2010-10-26	Oscar Östlin	NF-PM1	B1=75011
2009-01-10	Sturle Sunde	NF	no factor from 2^60 to 2^61

Username
Password