3 295 447 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
75021127019821142807071	23	76.0	2021-05-13 12:26:39

ECM

Digits	B1	Curves
25	50000	38 / 280

Estimated T-Level: 20.7 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-01-27	Marc Honey	36D253ABF42AD0E6	0
Verified (Factored)	1999-08-22	Lukasz Gorny-Zajac	36D253ABF42AD0E6	3221635

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-13	/r/counting	56CEDDF3056C1952	1	643625	5	3

History

Date	User	Type	Result
2022-09-10	Joss	NF-PM1	B1=1000000, B2=241175550
2022-03-16	Joss	NF-PM1	B1=1000000, B2=134343300
2021-05-13	curtisc	CERT	PRP Certification Proof certified good
2021-05-13	/r/counting	C-PRP	M3295447/75021127019821142807071 : 56CEDDF3056C1952 PRP proof power = 7 PRP: Verified Proof certified good
2021-05-13	Denis Porva	F-ECM	Factor: 75021127019821142807071 / (ECM curve 2, B1=50000, B2=5000000, Sigma=412651516518876)
2020-01-24	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2018-11-05	TJAOI	NF	no factor from 2^67 to 2^68
2017-04-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-02-19	Joss	NF-PM1	B1=238464, B2=2384640, E=6
2017-02-04	Joss	NF-PM1	B1=198720
2017-01-29	Joss	NF-PM1	B1=165600
2017-01-19	Joss	NF-PM1	B1=138000
2015-07-02	Tha	NF	no factor from 2^65 to 2^66
2013-10-18	David Campeau	NF	no factor from 2^64 to 2^65
2013-09-09	Squeeky_Squirrel	NF-PM1	B1=115000, B2=2645000, E=6
2012-12-30	lycorn	NF	no factor from 2^62 to 2^64
2012-12-30	dbaugh	NF	no factor from 2^62 to 2^63
2011-10-05	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-09-27	USAFSS	NF-PM1	B1=60000, B2=1065000, E=6
2009-07-10	Carsten Kossendey	NF-PM1	B1=15000, B2=191250
2009-03-31	S485122	NF	no factor from 2^60 to 2^61

Username
Password