| 2629969 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 171 / 280 |
Estimated T-Level: 23.1 ⓘ TF below 2^72 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-04-11 | Kevin D. Quitt | 4C5C3DB3F470DD75 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-04-02 | Bruce Mitchell | 4C5C3DB3F470DD75 | 2400180 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-17 | Oliver Kruse | 18ABEB93ABB0060B | 1 | 1390555 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-12-02 | storm5510 | 18ABEB93ABB0060B | 1 | 2129786 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2629969/1138164707563599701473 : 18ABEB93ABB0060B | | 2017-10-17 | Oliver Kruse | C-PRP | M2629969/1138164707563599701473 : 18ABEB93ABB0060B | | 2014-04-03 | Never Odd Or Even | F | Factor: 1138164707563599701473 / TF: 69-70 | | 2014-03-08 | Never Odd Or Even | NF | no factor TF: 68-69 | | 2014-03-08 | Never Odd Or Even | NF | no factor TF: 69-70 | | 2014-03-08 | Never Odd Or Even | NF | no factor TF: 67-68 | | 2014-03-08 | Never Odd Or Even | NF | no factor TF: 65-66 | | 2014-03-08 | Never Odd Or Even | NF | no factor TF: 66-67 | | 2013-10-19 | David Campeau | NF | no factor TF: 64-65 | | 2007-09-13 | Richard B. Woods | NF | no factor TF: 1-64 | | 2007-03-04 | Richard B. Woods | NF | no factor TF: 1-63 | | 2006-12-18 | Richard B. Woods | NF | no factor TF: 1-62 | | 2002-08-10 | Richard B. Woods | NF-PM1 | B1=295000 | | 2002-08-10 | Richard B. Woods | NF-PM1 | B1=195000 | | 2002-08-10 | Richard B. Woods | NF-PM1 | B1=95000, B2=95000 | | 2001-07-22 | Richard B. Woods | NF-PM1 | B1=30000, B2=240000 | | 1999-04-02 | -anonymous- | C-LL | 4C5C3DB3F470DD75 | | 1999-03-26 | -anonymous- | NF | no factor TF: 1-59 | | 1998-04-11 | -anonymous- | C-LL | 4C5C3DB3F470DD75 |
|
