2 523 047 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
158624503071844239816031	24	77.1	2022-03-30 20:09:36

ECM

Digits	B1	Curves
25	50000	154 / 280

Estimated T-Level: 22.8 ⓘ

TF below 2^71 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		IES R.Dieste-I.Larrosa	1CC74CF09BCE4304	0
Verified (Factored)	1999-04-02	The Turtle	1CC74CF09BCE4304	1074115
Verified (Factored)	2018-06-06	kkmrkkblmbrbk	1CC74CF09BCE4304	666452

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-04-07	_p95holder_	DDD9EE22CA1B2185	1	1835000	5	3
Verified	2022-04-08	Oliver Kruse	DDD9EE22CA1B2185	1	585166	5	3

History

Date	User	Type	Result
2022-04-08	David Barley	CERT	PRP Certification Proof certified good
2022-04-08	Oliver Kruse	C-PRP	M2523047/158624503071844239816031 : DDD9EE22CA1B2185 PRP proof power = 7 PRP: Verified Proof certified good
2022-04-07	_p95holder_	C-PRP	M2523047/158624503071844239816031 : DDD9EE22CA1B2185 PRP: Verified PRP without proof (not generated)
2022-03-30	Samuel Schmidt	F-ECM	Factor: 158624503071844239816031 / (ECM curve 6, B1=50000, B2=6700000, Sigma=4582975717463998)
2021-07-05	TJAOI	NF	no factor from 2^68 to 2^69
2019-04-22	TJAOI	NF	no factor from 2^67 to 2^68
2018-06-06	kkmrkkblmbrbk	C-LL	1CC74CF09BCE4304
2018-05-21	mikr	NF-PM1	B1=3000000, B2=135000000, E=12
2017-12-11	Joss	NF-PM1	B1=600000, B2=6000000, E=6
2017-08-08	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-11-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-02-23	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-23	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-06-13	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2011-03-08	James Heinrich	NF-PM1	B1=300000, B2=8000000, E=12
2011-01-06	Joss	NF-PM1	B1=50000
2011-01-02	Joss	NF-PM1	B1=30000
2010-12-19	Joss	NF-PM1	B1=20000
2009-01-29	Sturle Sunde	NF	no factor from 2^60 to 2^61

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