3 553 507 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
11686574166697184733449	23	73.3	2021-12-10 06:42:02

ECM

Digits	B1	Curves
25	50000	42 / 280

Estimated T-Level: 20.8 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Michael G. Ambrus	6F0C3097442DCA08	0
Verified (Factored)	1999-07-26	Jeremy Pharoah	6F0C3097442DCA08	51341

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-14	carlos	F1ACE7DE8F81F867	1	834168	5	3
Verified	2021-12-14	carlos	F1ACE7DE8F81F867	1	1568561	5	3

History

Date	User	Type	Result
2022-09-13	Joss	NF-PM1	B1=1000000, B2=130364850
2022-08-26	Joss	NF-PM1	B1=1000000
2022-05-19	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-01	Joss	NF-PM1	B1=100000
2021-12-14	EthanD	CERT	PRP Certification Proof certified good
2021-12-14	carlos	C-PRP	M3553507/11686574166697184733449 : F1ACE7DE8F81F867 PRP proof power = 7 PRP: Verified Proof certified good
2021-12-14	Jayder	CERT	PRP Certification Proof certified good
2021-12-14	carlos	C-PRP	M3553507/11686574166697184733449 : F1ACE7DE8F81F867 PRP proof power = 7 PRP: Verified Proof certified good
2021-12-10	daveward2005	F-ECM	Factor: 11686574166697184733449 / (ECM curve 4, B1=50000, B2=5000000, Sigma=660765252558472)
2021-10-22	ArtyomP	NF-PP1	Start=6/5, B1=50000, B2=2500000
2021-10-22	ArtyomP	NF-PP1	Start=2/7, B1=50000, B2=2500000
2021-03-18	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-03-18	-Anonymous-	NF	no factor from 2^69 to 2^70
2021-01-25	axn	NF	no factor from 2^68 to 2^69
2019-02-14	Yxinity	NF	no factor from 2^67 to 2^68
2017-01-16	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-02	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-12-17	HBendtz	NF-PM1	B1=500000, B2=12000000, e=12
2015-01-30	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-30	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-11-19	Joss	NF-PM1	B1=96124
2014-08-11	-Anonymous-	NF-PM1	B1=78062
2012-06-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-12-16	Squeeky_Squirrel	NF-PM1	B1=60000, B2=1005000, E=6
2011-06-29	Grant McCracken	NF	no factor from 2^61 to 2^62
2009-07-07	Carsten Kossendey	NF-PM1	B1=20000, B2=245000
2009-03-16	S485122	NF	no factor from 2^60 to 2^61

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