3 139 723 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1117689947597732016787649	25	79.9	2020-12-24 07:52:41

ECM

Digits	B1	Curves
25	50000	26 / 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)		Joel Armengaud	8A217797054D833A	0
Verified (Factored)	1999-11-24	Chris Crawford	8A217797054D833A	1394431

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-26	fre_games	6AC4DE793CB12290	1	1903888	5	3
Verified	2020-12-26	marssystems	6AC4DE793CB12290	1	546736	5	3

History

Date	User	Type	Result
2022-01-06	Joss	NF-PM1	B1=1000000, B2=116447100
2021-02-18	Joss	NF	no factor from 2^66 to 2^67
2021-01-18	Joss	NF-PM1	B1=814000, B2=3139723, E=6
2021-01-16	Joss	NF	no factor from 2^65 to 2^66
2020-12-26	curtisc	CERT	PRP Certification Proof certified good
2020-12-26	marssystems	C-PRP	M3139723/1117689947597732016787649 : 6AC4DE793CB12290 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-26	fre_games	C-PRP	M3139723/1117689947597732016787649 : 6AC4DE793CB12290 PRP: Verified PRP without proof (not generated)
2020-12-24	Zenzoma	F-ECM	Factor: 1117689947597732016787649 / (ECM curve 4, B1=50000, B2=5000000, Sigma=4603896430658823)
2019-02-15	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2018-07-16	Joss	NF-PM1	B1=784000, B2=3136000, E=4
2018-07-15	Joss	NF-PM1	B1=784000, B2=2352000, E=6
2017-04-17	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-01-10	Joss	NF-PM1	B1=132000
2016-11-08	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5460000, E=12
2015-06-14	Tha	NF	no factor from 2^65 to 2^66
2015-02-11	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-11	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-09-01	Squeeky_Squirrel	NF-PM1	B1=110000, B2=2475000, E=6
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-11	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-05	Squeeky_Squirrel	NF-PM1	B1=55000, B2=935000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=183750
2009-04-10	S485122	NF	no factor from 2^60 to 2^61

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