3 206 321 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
4662278118828332395007009	25	81.9	2021-01-10 14:27:23

ECM

Digits	B1	Curves
25	50000	30 / 280

Estimated T-Level: 20.5 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-03-03	Ethan O'Connor	FA0A850ADD5C3294	0
Verified (Factored)	1999-11-17	Greg Utrecht	FA0A850ADD5C3294	1218742

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-01-15	EricBock	323E8EC3031CA033	1	834969	5	3

History

Date	User	Type	Result
2022-09-07	Joss	NF-PM1	B1=1070632, B2=226749600
2022-01-24	Joss	NF-PM1	B1=1070632, B2=119912100
2022-01-05	Joss	NF	no factor from 2^68 to 2^69
2021-02-22	Joss	NF	no factor from 2^66 to 2^67
2021-02-21	Joss	NF	no factor from 2^65 to 2^66
2021-01-18	Joss	NF-PM1	B1=420000, B2=3206321, E=6
2021-01-15	Alex S.	CERT	PRP Certification Proof certified good
2021-01-15	EricBock	C-PRP	M3206321/4662278118828332395007009 : 323E8EC3031CA033 PRP proof power = 7 PRP: Verified Proof certified good
2021-01-10	axn	F-ECM	Factor: 4662278118828332395007009 / (ECM curve 1, B1=80000, B2=11280000, Sigma=2976724810022389)
2020-01-01	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2019-01-21	TJAOI	NF	no factor from 2^67 to 2^68
2018-07-27	Joss	NF-PM1	B1=400000, B2=4000000, E=6
2018-07-24	Joss	NF-PM1	B1=400000
2017-03-23	Squeeky_Squirrel	NF-PM1	B1=200000, B2=5550000, E=12
2017-03-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-01-29	Joss	NF-PM1	B1=186000
2015-10-02	Squeeky_Squirrel	NF-PM1	B1=155000, B2=3952500, E=6
2015-06-21	Tha	NF	no factor from 2^65 to 2^66
2015-02-15	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-15	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-11-06	Joss	NF-PM1	B1=105572
2014-08-21	Joss	NF-PM1	B1=85554
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-06-23	markr	NF	no factor from 2^61 to 2^62
2009-04-07	S485122	NF	no factor from 2^60 to 2^61

Username
Password