310 693 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
127472357702017022182547904791	30	96.7	2017-12-02 01:18:45

ECM

Estimated T-Level: 30.7 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		David Slowinski	1751	0	Cray,Slowinski,(aka D5)
Factored		Unknown	1751	0	Unknown,(aka U)
Factored		Klaus Kastens	8C63EB9607889751	0	Glucas pre-shift counts,(aka G2)
Factored		Eivind Triel	8C63EB9607889751	146890	Windows,Prime95,v24 final,(aka Wc1)
Factored	2001-12-22	Dennis Pope	8C63EB9607889751	130557	Windows,Prime95,v21,(aka WX1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-12-02	kkmrkkblmbrbk	3257A9EDD3DFEF59	1	248590	5	3
Verified	No proof (small exponent)	2017-12-02	storm5510	3257A9EDD3DFEF59	1	231864	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor TF: 54-55
2017-12-02	storm5510	C-PRP	M310693/127472357702017022182547904791 : 3257A9EDD3DFEF59
2017-12-02	kkmrkkblmbrbk	C-PRP	M310693/127472357702017022182547904791 : 3257A9EDD3DFEF59
2017-12-02	Stefan G Hoffmann	F-ECM	Factor: 127472357702017022182547904791
2016-05-30	mikr	NF-PM1	B1=55000000, B2=2700000000, E=12
2015-12-28	Gordon Spence	NF	no factor TF: 63-64
2015-12-28	Gordon Spence	NF	no factor TF: 62-63
2015-08-23	Gordon Spence	NF	no factor TF: 61-62
2012-04-25	David Campeau	NF	no factor TF: 60-61
2012-01-22	alpertron	NF-PM1	B1=10000000, B2=200000000, E=12
2009-01-26	Sturle Sunde	NF	no factor TF: 59-60
2008-12-30	Sturle Sunde	NF	no factor TF: 58-59
2008-11-19	GrunwalderGIMP	NF-PM1	B1=2000000, B2=200000000, E=12
2006-01-15	Joss	NF-PM1	B1=310693
2004-01-27	-anonymous-	NF	no factor TF: 1-58
2003-03-27	-anonymous-	NF-PM1	B1=131072, B2=13107200, E=30
2002-08-10	-anonymous-	NF-PM1	B1=65536, B2=6553600, E=12
2002-06-09	-anonymous-	NF-PM1	B1=32768, B2=3276800, E=12
2002-03-03	-anonymous-	NF	no factor TF: 1-57
2001-12-22	-anonymous-	C-LL	8C63EB9607889751
2001-10-13	-anonymous-	NF-PM1	B1=50000, B2=1000000
2001-07-03	-anonymous-	NF-PM1	B1=11000, B2=1100000
2001-03-05	-anonymous-	NF	no factor TF: 1-56
2000-04-12	-anonymous-	NF	no factor TF: 1-54

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