3 266 521 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
50139333686290560627132311	26	85.4	2021-06-02 04:47:56

ECM

Digits	B1	Curves
25	50000	47 / 280

Estimated T-Level: 20.8 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Joel Armengaud	ABD29172428F807F	0
Verified (Factored)	1999-05-30	Ethan Hansen	ABD29172428F807F	2476805

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-06-09	Chang Chia-Tche	204B522A5BDD2D91	1	2736222	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241152450
2022-04-05	Joss	NF-PM1	B1=1000000, B2=134316000
2021-06-09	estrand	CERT	PRP Certification Proof certified good
2021-06-09	Chang Chia-Tche	C-PRP	M3266521/50139333686290560627132311 : 204B522A5BDD2D91 PRP proof power = 7 PRP: Verified Proof certified good
2021-06-02	daveward2005	F-ECM	Factor: 50139333686290560627132311 / (ECM curve 6, B1=50000, B2=5000000, Sigma=7978699875544676)
2021-05-31	TJAOI	NF	no factor from 2^68 to 2^69
2021-02-13	axn	NF-PM1	B1=10000000, B2=400000000
2020-11-07	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-12-24	TJAOI	NF	no factor from 2^67 to 2^68
2017-04-04	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-01-14	Joss	NF-PM1	B1=378000, B2=3780000, E=6
2015-06-28	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-10	Joss	NF-PM1	B1=99298
2014-06-21	Joss	NF-PM1	B1=79649
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-09-21	markr	NF	no factor from 2^61 to 2^62
2011-09-17	USAFSS	NF-PM1	B1=60000, B2=1050000, E=6
2009-07-08	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-03	S485122	NF	no factor from 2^60 to 2^61

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