2 817 709 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
164437829422523395658177	24	77.1	2021-09-22 19:37:56

ECM

Digits	B1	Curves
25	50000	101 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		john rheinstein	618DDD186E1AECE2	0
Verified (Factored)	1999-08-07	Anonymous	618DDD186E1AECE2	1614931
Verified (Factored)	2018-09-06	kkmrkkblmbrbk	618DDD186E1AECE2	2148167

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-27	MarkS	159E3ED4060AF781	1	1534672	5	3

History

Date	User	Type	Result
2021-09-27	curtisc	CERT	PRP Certification Proof certified good
2021-09-27	MarkS	C-PRP	M2817709/164437829422523395658177 : 159E3ED4060AF781 PRP proof power = 7 PRP: Verified Proof certified good
2021-09-22	MarkS	F-ECM	Factor: 164437829422523395658177 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2609409972373822)
2021-05-19	TJAOI	NF	no factor from 2^68 to 2^69
2020-01-19	masser	NF-PM1	B1=5000000, B2=200000000, E=12
2019-10-03	masser	NF-PM1	B1=2817709, B2=28177090, E=12
2019-01-01	chuenkit	NF	no factor from 2^67 to 2^68
2018-09-06	kkmrkkblmbrbk	C-LL	618DDD186E1AECE2
2018-09-03	Joss	NF-PM1	B1=499273
2017-10-24	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-03-16	Joss	NF-PM1	B1=336061, B2=3360610, E=6
2017-01-10	Joss	NF-PM1	B1=233376
2016-12-20	Joss	NF-PM1	B1=194480
2016-09-21	Joss	NF-PM1	B1=135056, B2=3630000
2016-09-12	Joss	NF-PM1	B1=135056, B2=3300000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-12	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-22	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61

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