2 799 967 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
327268788406748181060409	24	78.1	2021-08-31 19:58:49

ECM

Digits	B1	Curves
25	50000	98 / 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)	1998-05-08	Noah Vawter	7C4EBECFAC44C7CE	0
Verified (Factored)	1999-07-04	Mark Crawford	7C4EBECFAC44C7CE	2267325
Verified (Factored)	2018-09-01	kkmrkkblmbrbk	7C4EBECFAC44C7CE	1962902

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-09-01	SRJ2877	18A687F48E02B277	1	1911168	5	3

History

Date	User	Type	Result
2021-09-01	yooper	CERT	PRP Certification Proof certified good
2021-09-01	SRJ2877	C-PRP	M2799967/327268788406748181060409 : 18A687F48E02B277 PRP proof power = 7 PRP: Verified Proof certified good
2021-08-31	daveward2005	F-ECM	Factor: 327268788406748181060409 / (ECM curve 5, B1=50000, B2=5000000, Sigma=951356519599145)
2019-12-18	BigBrother	NF-PM1	B1=3000000, B2=90000000, E=12
2018-09-01	kkmrkkblmbrbk	C-LL	7C4EBECFAC44C7CE
2018-05-18	Yxinity	NF	no factor from 2^69 to 2^70
2018-05-18	Yxinity	NF	no factor from 2^68 to 2^69
2017-10-30	mikr	NF	no factor from 2^67 to 2^68
2017-10-30	mikr	NF	no factor from 2^66 to 2^67
2017-07-30	Joss	NF-PM1	B1=400000, B2=4000000, E=6
2016-05-09	Joss	NF-PM1	B1=200000, B2=3600000, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-10	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
2014-11-06	Joss	NF-PM1	B1=122923
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-03-05	Grant McCracken	NF	no factor from 2^61 to 2^62
2010-11-21	markr	NF-PM1	B1=100000, B2=2075000, E=6
2010-11-12	Joss	NF-PM1	B1=15000
2009-02-14	Sturle Sunde	NF	no factor from 2^60 to 2^61

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