3 385 087 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7244058696661069338431	22	72.6	2021-02-25 07:44:17

ECM

Digits	B1	Curves
25	50000	16 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Tom Carney	648CF7AC55954B90	0
Verified (Factored)	1999-07-04	Jason Slemons	648CF7AC55954B90	2436218

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-02-26	Massimo Cappelli (ik5pwa)	C3E6842ED3FFC1E4	1	1761323	5	3
Verified	2021-02-27	Richard Thomas	C3E6842ED3FFC1E4	1	820460	5	3

History

Date	User	Type	Result
2022-04-10	Joss	NF-PM1	B1=1000000, B2=126668850
2022-04-09	Joss	NF-PM1	B1=1000000
2022-02-25	Joss	NF-PM1	B1=200000
2021-02-27	Ben Delo	CERT	PRP Certification Proof certified good
2021-02-27	Richard Thomas	C-PRP	M3385087/7244058696661069338431 : C3E6842ED3FFC1E4 PRP proof power = 7 PRP: Verified Proof certified good
2021-02-26	Massimo Cappelli (ik5pwa)	C-PRP	M3385087/7244058696661069338431 : C3E6842ED3FFC1E4 PRP: Verified PRP without proof (not generated)
2021-02-25	Zenzoma	F-ECM	Factor: 7244058696661069338431 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2908059784808579)
2018-10-01	TJAOI	NF	no factor from 2^67 to 2^68
2017-03-30	Joss	NF-PM1	B1=310000, B2=3100000, E=6
2017-03-10	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
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-09-20	Squeeky_Squirrel	NF-PM1	B1=155000, B2=4030000, E=6
2015-04-02	Gordon Spence	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
2014-10-12	Joss	NF-PM1	B1=97922
2014-07-04	Joss	NF-PM1	B1=78961
2012-11-15	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-21	USAFSS	NF-PM1	B1=60000, B2=930000, E=6
2011-09-09	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-10	Carsten Kossendey	NF-PM1	B1=15000, B2=206250
2009-03-25	S485122	NF	no factor from 2^60 to 2^61

Username
Password