3 212 101 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
13249173351261001877129609	26	83.5	2020-12-23 22:21:56

ECM

Digits	B1	Curves
25	50000	21 / 280

Estimated T-Level: 20.4 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-02-01	Seth Chazanoff	BDFE13E5C22EEB1B	0
Verified (Factored)	1999-06-06	Gerry Hughes	BDFE13E5C22EEB1B	2814963

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-25	Niels_Mache_Nextcloud	E4E0C6630E304073	1	408505	5	3

History

Date	User	Type	Result
2022-09-03	Joss	NF-PM1	B1=1231815, B2=223284600
2022-01-06	Joss	NF-PM1	B1=1231815, B2=116447100
2021-02-21	Joss	NF	no factor from 2^66 to 2^67
2021-01-17	Joss	NF-PM1	B1=420000, B2=6424202, E=6
2021-01-17	Joss	NF	no factor from 2^65 to 2^66
2021-01-17	Joss	NF-PM1	B1=420000, B2=3212101, E=6
2020-12-25	Franklin Webber	CERT	PRP Certification Proof certified good
2020-12-25	Niels_Mache_Nextcloud	C-PRP	M3212101/13249173351261001877129609 : E4E0C6630E304073 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-23	Zenzoma	F-ECM	Factor: 13249173351261001877129609 / (ECM curve 6, B1=50000, B2=5000000, Sigma=2623567303414458)
2020-01-31	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2018-08-07	Joss	NF-PM1	B1=400000, B2=3776000
2018-08-06	Joss	NF-PM1	B1=400000, B2=3376000
2018-08-05	Joss	NF-PM1	B1=400000, B2=2576000
2018-07-23	Joss	NF-PM1	B1=400000
2017-03-17	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-11-19	Squeeky_Squirrel	NF-PM1	B1=200000, B2=5600000, E=12
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
2013-09-03	Squeeky_Squirrel	NF-PM1	B1=115000, B2=2587500, E=6
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-09-25	USAFSS	NF-PM1	B1=55000, B2=852500, E=6
2011-09-02	markr	NF	no factor from 2^61 to 2^62
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-07	S485122	NF	no factor from 2^60 to 2^61

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