3 253 463 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
5136439693076677160783	22	72.1	2021-01-24 11:10:20

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)		Bill Roberts	087B7B8755716474	0
Verified (Factored)	1999-11-10	Daniel Gross	087B7B8755716474	1048506

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-01-24	ViliamF	25E0D10D5FF5C328	1	2628247	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241152450
2022-04-02	Joss	NF-PM1	B1=1000000, B2=134316000
2021-01-24	curtisc	CERT	PRP Certification Proof certified good
2021-01-24	ViliamF	C-PRP	M3253463/5136439693076677160783 : 25E0D10D5FF5C328 PRP proof power = 7 PRP: Verified Proof certified good
2021-01-24	daveward2005	F-ECM	Factor: 5136439693076677160783 / (ECM curve 3, B1=50000, B2=5000000, Sigma=4585049795568967)
2020-08-01	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2019-01-07	TJAOI	NF	no factor from 2^67 to 2^68
2018-08-10	Joss	NF-PM1	B1=410000, B2=4100000
2018-08-08	Joss	NF-PM1	B1=410000, B2=2870000
2018-08-08	Joss	NF-PM1	B1=410000, B2=2460000
2018-08-08	Joss	NF-PM1	B1=410000, B2=2050000
2018-08-07	Joss	NF-PM1	B1=410000, B2=1640000
2018-08-06	Joss	NF-PM1	B1=410000, B2=1230000
2017-03-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-01-15	Squeeky_Squirrel	NF-PM1	B1=205000, B2=5842500, E=12
2015-06-28	Tha	NF	no factor from 2^65 to 2^66
2015-02-18	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-18	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-07	Joss	NF-PM1	B1=99456
2014-06-11	Joss	NF-PM1	B1=79728
2012-12-30	dbaugh	NF	no factor from 2^62 to 2^63
2011-09-20	markr	NF	no factor to 2^62
2011-09-12	USAFSS	NF-PM1	B1=60000, B2=1050000, E=6
2009-07-04	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-04-04	S485122	NF	no factor from 2^60 to 2^61

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