| 7639067 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 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 | 2000-01-04 | Ann San Au | 2EACB15D85E2A762 | 979463 | Windows,Prime95,v19,(aka WV1) | | Factored | 2002-03-16 | Hruska | 2EACB15D85E2A762 | 2126985 | 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) | 2020-05-26 | M Miller | 4835222FE398C3A6 | 1 | 4677957 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-28 | oodaira | 4835222FE398C3A6 | 1 | 2322490 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-10-17 | Sid & Andy | NF-PM1 | B1=2400000, B2=3901006200 | | 2020-05-28 | oodaira | C-PRP | M7639067/72855850279577155899503 : 4835222FE398C3A6 | | 2020-05-26 | M Miller | C-PRP | M7639067/72855850279577155899503 : 4835222FE398C3A6 | | 2020-05-23 | GdS | F-PM1 | Factor: 72855850279577155899503 / B1=310809, B2=6216181 | | 2020-03-06 | TJAOI | NF | no factor TF: 68-69 | | 2018-07-31 | ramgeis | NF | no factor TF: 67-68 | | 2016-09-14 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-06-09 | 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 | | 2012-09-16 | Nesowa | NF-PM1 | B1=95000, B2=1757500, E=6 | | 2009-06-19 | Carsten Kossendey | NF-PM1 | B1=45000, B2=686250, E=6 | | 2002-03-16 | -anonymous- | C-LL | 2EACB15D85E2A762 | | 2000-01-04 | asau | C-LL | 2EACB15D85E2A762 | | 1998-12-13 | -anonymous- | NF | no factor TF: 1-63 | | 1998-07-29 | -anonymous- | NF | no factor TF: 1-62 |
|
