| 8467 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 244 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 640 / 640 | | 35 | 1000000 | 1566 / 1566 | | 40 | 3000000 | 4588 / 4588 | | 45 | 11000000 | 9201 / 9201 | | 50 | 44000000 | 9565 / 16550 |
Estimated T-Level: 47.9 ⓘ TF below 2^154 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 |
|---|
| Factored | No proof (small exponent) | 2017-09-21 | Oliver Kruse | 594D5CAAF54F5671 | 3 | 0 | 1 | 3 | | Factored | No proof (small exponent) | 2017-10-12 | kkmrkkblmbrbk | 594D5CAAF54F5671 | 3 | 3062 | 1 | 3 | | Verified | No proof (small exponent) | 2018-02-17 | AdolfNor | DFEEE59319691EAA | 4 | 5060 | 5 | 3 | | Verified | No proof (small exponent) | 2018-02-18 | Oliver Kruse | DFEEE59319691EAA | 4 | 6431 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-11 | masser | NF-PP1 | Start=167/13, B1=1300000000, B2=1298700000000 | | 2023-08-20 | JacobZ | NF-PM1 | B1=69000000000, B2=265422648792401100 | | 2021-12-16 | ANONYMOUS | NF-PM1 | B1=100000000 | | 2018-02-18 | Oliver Kruse | C-PRP | M8467/203209/6655063/5910592559/17739993120770282703837420208676185220663 : DFEEE59319691EAA | | 2018-02-17 | AdolfNor | C-PRP | M8467/203209/6655063/5910592559/17739993120770282703837420208676185220663 : DFEEE59319691EAA | | 2018-02-15 | James Hintz | F-ECM | Factor: 17739993120770282703837420208676185220663 | | 2017-10-12 | kkmrkkblmbrbk | C-PRP | M8467/203209/6655063/5910592559 : 594D5CAAF54F5671 | | 2017-09-21 | Oliver Kruse | C-PRP | M8467/203209/6655063/5910592559 : 594D5CAAF54F5671 | | 2017-09-21 | Oliver Kruse | C-PRP | M8467/203209/6655063/5910592559 : 594D5CAAF54F5671 |
|
