| 5107253 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-09-20 | kkmrkkblmbrbk | 00C5E07108ADAA14 | 2 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2018-05-11 | storm5510 | 00C5E07108ADAA14 | 2 | 1225823 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-26 | Sid & Andy | NF-PM1 | B1=3600000, B2=9211762560 | | 2025-01-28 | Sid & Andy | NF | no factor TF: 68-70 | | 2024-07-30 | cramsey87 | NF-PM1 | B1=300000, B2=104169030 | | 2023-05-11 | This -Anonymous- | NF-PM1 | B1=50000, B2=1000000 | | 2018-05-11 | storm5510 | C-PRP | M5107253/6772217479/1758151416239 : 00C5E07108ADAA14 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M5107253/1758151416239/6772217479 : 00C5E07108ADAA14 | | 2008-09-30 | markr | F | Factor: 1758151416239 |
|
