| 10858213 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 1 / 280 |
Estimated T-Level: 20.0 ⓘ TF below 2^61 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 2000-10-15 | Pierre del Perugia | 33147D515F2378C3 | 6591803 | Windows,Prime95,v20,NT service,(aka WW5) | | Factored | 2003-12-31 | hessenpower.de | 33147D515F2378C3 | 6668491 | Windows,Prime95,v23,(aka WZ1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2021-04-01 | ATH | 1E9002870BFAA1EE | 1 | 2222830 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-04-01 | curtisc | CERT | Proof certified good | | 2021-04-01 | ATH | C-PRP | M10858213/929955000254771378145257 : 1E9002870BFAA1EE Proof Certified Good
Proof Power: 8
| | 2015-08-26 | Gordon Spence | F-ECM | Factor: 929955000254771378145257 | | 2015-05-18 | Tha | NF | no factor TF: 65-66 | | 2013-12-06 | lycorn | NF | no factor TF: 64-65 | | 2004-09-02 | -anonymous- | C-LL | 33147D515F2378C3 | | 2003-12-31 | -anonymous- | C-LL | 33147D515F2378C3 | | 2000-10-15 | -anonymous- | C-LL | 33147D515F2378C3 | | 2000-08-17 | -anonymous- | NF-PM1 | B1=125000, B2=1625000 | | 1999-11-04 | -anonymous- | NF | no factor TF: 1-64 |
|
