3 706 301 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
15713147840107648140943	23	73.7	2022-01-04 04:30:22

ECM

Digits	B1	Curves
25	50000	27 / 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)	1998-05-23	Stephan Grupp	AFE7FD15271DF2E4	0
Verified (Factored)	1999-11-04	Alastair Knox	AFE7FD15271DF2E4	3067354

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-01-04	MarkS	12874A6396FA94C4	1	2631998	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
2022-01-04	CaptainEntropy	CERT	PRP Certification Proof certified good
2022-01-04	MarkS	C-PRP	M3706301/15713147840107648140943 : 12874A6396FA94C4 PRP proof power = 7 PRP: Verified Proof certified good
2022-01-04	MarkS	F-ECM	Factor: 15713147840107648140943 / (ECM curve 1, B1=50000, B2=5000000, Sigma=3990695164885861)
2021-05-02	axn	NF-PM1	B1=14000000, B2=700000000
2021-03-04	axn	NF	no factor from 2^69 to 2^70
2020-12-16	axn	NF	no factor from 2^68 to 2^69
2019-01-14	TJAOI	NF	no factor from 2^67 to 2^68
2016-10-30	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-20	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-20	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-12-02	Squeeky_Squirrel	NF-PM1	B1=245000, B2=7717500, E=12
2012-04-19	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-04-12	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-04	Carsten Kossendey	NF-PM1	B1=20000, B2=260000
2009-03-07	S485122	NF	no factor from 2^60 to 2^61

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