3 724 937 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
44572182186720909051257	23	75.2	2021-10-09 20:56:59

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)	1998-08-09	Matthew Mello	F4B3E491E904A980	0
Verified (Factored)	1999-11-10	Upper Silesia	F4B3E491E904A980	741103

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-10-19	RichD0	9CDFDD22C7743E10	1	2771648	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
2022-03-03	Joss	NF-PM1	B1=90000
2021-10-20	John Airey	CERT	PRP Certification Proof certified good
2021-10-19	RichD0	C-PRP	M3724937/44572182186720909051257 : 9CDFDD22C7743E10 PRP proof power = 7 PRP: Verified Proof certified good
2021-10-09	daveward2005	F-ECM	Factor: 44572182186720909051257 / (ECM curve 2, B1=50000, B2=5000000, Sigma=7081430485153190)
2021-03-12	axn	NF	no factor from 2^69 to 2^70
2021-01-04	Dylan Delgado	NF-PM1	B1=1600000, B2=66000000, E=12
2020-12-12	axn	NF	no factor from 2^68 to 2^69
2018-11-19	TJAOI	NF	no factor from 2^67 to 2^68
2016-11-01	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-25	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-01-22	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-22	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-12-30	Squeeky_Squirrel	NF-PM1	B1=245000, B2=7717500, E=12
2012-04-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-04-29	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-06	Carsten Kossendey	NF-PM1	B1=20000, B2=265000
2009-03-06	S485122	NF	no factor from 2^60 to 2^61

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