| 2506697 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 122 / 280 |
Estimated T-Level: 22.2 ⓘ TF below 2^69 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Alma Cavazos-Gaither | 056FD228651C2F15 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | 1999-04-02 | Aaron B | 056FD228651C2F15 | 1012865 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | 90B072D3C577A271 | 1 | 296889 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-30 | storm5510 | 90B072D3C577A271 | 1 | 2413104 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-01-25 | USAFSS | NF-PM1 | B1=224000, B2=238697550 | | 2017-11-30 | storm5510 | C-PRP | M2506697/941574691258254239 : 90B072D3C577A271 | | 2017-10-14 | Oliver Kruse | C-PRP | M2506697/941574691258254239 : 90B072D3C577A271 | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=236250 | | 2003-10-23 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-04-02 | MadPoo 🙂 | C-LL | 056FD228651C2F15 | | 1999-03-15 | MadPoo 🙂 | NF | no factor TF: 1-59 |
|
