3 594 427 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
7248708880693920421073	22	72.6	2021-07-06 13:34:26

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)	1998-03-17	Bill Doyle	087231806E25F3CC	0
Verified (Factored)	2002-07-14	Todd Lewis	087231806E25F3CC	951266

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-07-07	kutens	F965CFC2C3D58461	1	458212	5	3

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2021-07-07	Jonathan Webb	CERT	PRP Certification Proof certified good
2021-07-07	kutens	C-PRP	M3594427/7248708880693920421073 : F965CFC2C3D58461 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-06	daveward2005	F-ECM	Factor: 7248708880693920421073 / (ECM curve 2, B1=50000, B2=5000000, Sigma=7437846423194487)
2021-03-16	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-03-16	-Anonymous-	NF	no factor from 2^69 to 2^70
2020-12-18	axn	NF	no factor from 2^68 to 2^69
2020-02-08	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2018-07-09	TJAOI	NF	no factor from 2^67 to 2^68
2017-01-21	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-06-03	Squeeky_Squirrel	NF-PM1	B1=225000, B2=6581250, E=12
2016-06-02	Joss	NF-PM1	B1=108000, B2=3240000, E=6
2016-02-24	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
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
2012-07-02	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2012-01-01	Squeeky_Squirrel	NF-PM1	B1=90000, B2=1620000, E=6
2011-06-10	markr	NF	no factor from 2^61 to 2^62
2009-07-10	Carsten Kossendey	NF-PM1	B1=20000, B2=245000
2009-03-13	S485122	NF	no factor from 2^60 to 2^61

Username
Password