| 7654513 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 5 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1999-07-27 | Steffen Zahn | C018B9021997575D | 1185466 | Windows,Prime95,v18,(aka WU1) | | Factored | 2002-04-20 | Lawrence V. Castiglione III | C018B9021997575D | 263922 | Windows,Prime95,v21,(aka WX1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2018-05-23 | storm5510 | 4C8C39F93F70E213 | 1 | 6542421 | 5 | 3 | | Verified | PRP without proof (not generated) | 2019-08-13 | arnaud | 4C8C39F93F70E213 | 1 | 7509661 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-08 | Stef42 | NF-PM1 | B1=1050000, B2=1321181400 | | 2019-08-13 | arnaud | C-PRP | M7654513/5964052896593007586969 : 4C8C39F93F70E213 | | 2018-05-23 | storm5510 | C-PRP | M7654513/5964052896593007586969 : 4C8C39F93F70E213 | | 2018-05-15 | arnaud | F-ECM | Factor: 5964052896593007586969 | | 2016-09-17 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-12 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-12-06 | David Campeau | NF | no factor TF: 64-65 | | 2013-10-11 | Nesowa | NF | no factor TF: 63-64 | | 2012-07-30 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2007-04-23 | Lawrence V. Castiglione III | NF-PM1 | B1=35000, B2=332500 | | 2007-04-23 | Lawrence V. Castiglione III | C-LL | C018B9021997575D | | 2002-04-20 | Lawrence V. Castiglione III | C-LL | C018B9021997575D | | 2002-03-24 | Lawrence V. Castiglione III | NF-PM1 | B1=35000, B2=332500 | | 1999-07-27 | Steffen Zahn | C-LL | C018B9021997575D | | 1998-11-28 | -anonymous- | NF | no factor TF: 1-63 | | 1998-08-09 | -anonymous- | NF | no factor TF: 1-62 |
|
