| 310693 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 244 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 209 / 1566 |
Estimated T-Level: 30.7 ⓘ TF below 2^97 is very unlikely to find new factors due to ECM effort. |
| LL | | 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) |
|
| PRP Cofactor | | 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 |
|
