| 2446889 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 165 / 280 |
Estimated T-Level: 22.9 ⓘ TF below 2^71 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Joe Miller | 73A78CA307557759 | 0 | Linux 32-bit,Prime95,v11,(aka WL) |
|
| 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 | 9BDDB23DC5259FDB | 1 | 1407468 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-28 | storm5510 | 9BDDB23DC5259FDB | 1 | 1211061 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-28 | storm5510 | C-PRP | M2446889/552576214359776839 : 9BDDB23DC5259FDB | | 2017-10-13 | Oliver Kruse | C-PRP | M2446889/552576214359776839 : 9BDDB23DC5259FDB | | 2003-08-25 | -anonymous- | F | Factor: 552576214359776839 | | 1999-08-07 | -anonymous- | F | Factor: 552576214359776839 |
|