| 2442593 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 158 / 280 |
Estimated T-Level: 22.8 ⓘ TF below 2^71 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Marc Honey | D496E6CD0E670F9B | 0 | Windows,Prime95,v11,(aka WC) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-13 | Oliver Kruse | 43FAB75285810F58 | 1 | 152571 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-27 | storm5510 | 43FAB75285810F58 | 1 | 1066055 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-27 | storm5510 | C-PRP | M2442593/490456274122246031 : 43FAB75285810F58 | | 2017-10-13 | Oliver Kruse | C-PRP | M2442593/490456274122246031 : 43FAB75285810F58 | | 1999-03-15 | -anonymous- | F | Factor: 490456274122246031 |
|
