1 090 963 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
522855838986669415643120876339414074303	39	128.6	2022-04-01 05:25:00

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	253	0
Verified (Factored)		Charles F. Kerchner III	1EFB036BA3382253	0
Verified (Factored)	2002-03-24	S57483	1EFB036BA3382253	693585
Verified (Factored)	2016-06-01	MadPoo	1EFB036BA3382253	847028

PRP Cofactor

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-04-01	SRJ2877	206C7412FB9AFE72	1	18925	5	3

P-1 factors

Date	Factor	B1	B2
2022-04-01	522855838986669415643120876339414074303	27000000	27000000

History

Date	User	Type	Result
2022-04-01	Jason VK4FJGS	CERT	PRP Certification Proof certified good
2022-04-01	SRJ2877	C-PRP	M1090963/522855838986669415643120876339414074303 : 206C7412FB9AFE72 PRP proof power = 6 PRP: Verified Proof certified good
2022-04-01	axn	F-PM1	Factor: 522855838986669415643120876339414074303 / (P-1, B1=27000000)
2017-12-09	Joss	NF-PM1	B1=2734662, B2=273466200, E=12
2016-11-11	Joss	NF-PM1	B1=2714662
2016-11-08	Joss	NF-PM1	B1=2262219
2016-11-06	Joss	NF-PM1	B1=1885183
2016-11-04	Joss	NF-PM1	B1=1309155
2016-08-08	Joss	NF-PM1	B1=1090963, B2=200000000, E=12
2016-07-27	Bruno Victal	NF-PM1	B1=2500000, B2=62500000, E=12
2016-07-22	Bruno Victal	NF-PM1	B1=2500000, B2=62500000, E=12
2016-06-01	MadPoo	C-LL	1EFB036BA3382253
2016-05-23	Joss	NF-PM1	B1=1090963
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^60
2014-11-06	Joss	NF-PM1	B1=317664
2014-08-21	Joss	NF-PM1	B1=258832
2014-04-01	Never Odd Or Even	NF	no factor from 2^70 to 2^71
2014-02-22	Never Odd Or Even	NF	no factor from 2^69 to 2^70
2014-02-22	Never Odd Or Even	NF	no factor from 2^68 to 2^69
2014-02-22	Never Odd Or Even	NF	no factor from 2^67 to 2^68
2014-02-22	Never Odd Or Even	NF	no factor from 2^66 to 2^67
2014-02-22	Never Odd Or Even	NF	no factor from 2^65 to 2^66
2013-10-07	David Campeau	NF	no factor from 2^64 to 2^65
2013-05-10	Never Odd Or Even	NF	no factor from 2^63 to 2^64
2012-10-26	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-06	bcp19	NF-PM1	B1=200000, B2=100000000, E=12
2012-01-02	bcp19	NF-PM1	B1=200000, B2=10000000, E=12
2010-11-18	Michael C	NF	no factor from 2^61 to 2^62
2009-02-21	Sturle Sunde	NF	no factor from 2^60 to 2^61

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