| 3539 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 244 |
| Factored | | Factor | Digits | Bits | Date |
|---|
| 7079 | 4 | 12.8 | old |
|
| 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 | 16550 / 16550 | | 55 | 110000000 | 11640 / 40830 |
Estimated T-Level: 51.4 ⓘ TF below 2^166 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 | No proof (small exponent) | 2017-09-21 | Oliver Kruse | 96DFA4CE006142C9 | 1 | 0 | 1 | 3 | | Verified | No proof (small exponent) | 2017-10-12 | kkmrkkblmbrbk | 96DFA4CE006142C9 | 1 | 1907 | 1 | 3 | | Verified | No proof (small exponent) | 2017-12-07 | ATH | 96DFA4CE006142C9 | 1 | 177 | 1 | 3 | | Verified | No proof (small exponent) | 2020-04-17 | Oliver Kruse | 56F6DA4718B7E79B | 1 | 3319 | 5 | 3 | | Verified | No proof (small exponent) | 2022-05-12 | Jorge Coveiro | 56F6DA4718B7E79B | 1 | 449 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-02 | masser | NF-PP1 | Start=198/19, B1=3100000000, B2=3096900000000 | | 2022-06-09 | mikr | NF-PM1 | B1=120000000000, B2=314605609292724750 | | 2022-05-12 | Jorge Coveiro | C-PRP | M3539/7079 : 56F6DA4718B7E79B | | 2021-09-05 | Jinyuan Wang | NF-PM1 | B1=1300000000, B2=13000000000 | | 2020-04-17 | Oliver Kruse | C-PRP | M3539/7079 : 56F6DA4718B7E79B | | 2017-12-07 | ATH | C-PRP | M3539/7079 : 96DFA4CE006142C9 | | 2017-10-12 | kkmrkkblmbrbk | C-PRP | M3539/7079 : 96DFA4CE006142C9 | | 2017-09-21 | Oliver Kruse | C-PRP | M3539/7079 : 96DFA4CE006142C9 | | 2017-09-21 | Oliver Kruse | C-PRP | M3539/7079 : 96DFA4CE006142C9 |
|
