3 884 011 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
13276967116632157017791	23	73.5	2021-12-18 13:07:52

ECM

Digits	B1	Curves
25	50000	19 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-05-16	INTERSHOP Communications	7077794599A51C3D	0
Verified (Factored)	1999-11-10	Stephen Wood	7077794599A51C3D	2283863

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-12-26	Sébastien BROUCKE	F420F39A9D555DE9	1	3415395	5	3
Verified	2021-12-27	Joe S.	F420F39A9D555DE9	1	659578	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
2022-03-02	Joss	NF-PM1	B1=90000
2021-12-27	JacobZ	CERT	PRP Certification Proof certified good
2021-12-27	Joe S.	C-PRP	M3884011/13276967116632157017791 : F420F39A9D555DE9 PRP proof power = 7 PRP: Verified Proof certified good
2021-12-26	Sébastien BROUCKE	C-PRP	M3884011/13276967116632157017791 : F420F39A9D555DE9 PRP: Verified PRP without proof (not generated)
2021-12-18	daveward2005	F-ECM	Factor: 13276967116632157017791 / (ECM curve 7, B1=50000, B2=5000000, Sigma=6037375099851312)
2021-02-21	axn	NF-PM1	B1=15000000, B2=750000000
2021-01-31	axn	NF	no factor from 2^70 to 2^71
2021-01-31	axn	NF	no factor from 2^69 to 2^70
2020-08-11	TJAOI	NF	no factor from 2^68 to 2^69
2019-01-18	Yxinity	NF	no factor from 2^67 to 2^68
2016-11-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-29	Joss	NF-PM1	B1=229996, B2=4139928, E=6
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-18	ramgeis	NF	no factor from 2^65 to 2^66
2015-01-18	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-18	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-28	Joss	NF-PM1	B1=86525
2012-02-29	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-14	Squeeky_Squirrel	NF-PM1	B1=70000, B2=1137500, E=6
2011-02-09	markr	NF	no factor from 2^61 to 2^62
2009-07-30	Carsten Kossendey	NF-PM1	B1=20000, B2=275000
2009-02-25	S485122	NF	no factor from 2^60 to 2^61

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