| 5483 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 244 |
| Factored | | Factor | Digits | Bits | Date |
|---|
| 888247 | 6 | 19.8 | 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 | 11188 / 16550 |
Estimated T-Level: 48.4 ⓘ TF below 2^156 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 | A5FEE66E1A6665C0 | 1 | 0 | 1 | 3 | | Verified | No proof (small exponent) | 2017-10-12 | kkmrkkblmbrbk | A5FEE66E1A6665C0 | 1 | 167 | 1 | 3 | | Verified | No proof (small exponent) | 2020-04-17 | Oliver Kruse | 8618D22E92FDFBD2 | 1 | 5440 | 5 | 3 | | Verified | No proof (small exponent) | 2024-02-03 | Wentao Huang | 8618D22E92FDFBD2 | 1 | 2397 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-10 | masser | NF-PP1 | Start=102/11, B1=2100000000, B2=2097900000000 | | 2024-06-25 | mikr | NF-PM1 | B1=500000000000, B2=1177314837267769200 | | 2024-02-03 | Wentao Huang | C-PRP | M5483/888247 : 8618D22E92FDFBD2 | | 2023-07-11 | -anonymous- | NF-PM1 | B1=46000000000, B2=193133522175293700 | | 2022-01-24 | Ethan O'Connor | NF-PM1 | B1=1300000000 | | 2020-04-17 | Oliver Kruse | C-PRP | M5483/888247 : 8618D22E92FDFBD2 | | 2017-10-12 | kkmrkkblmbrbk | C-PRP | M5483/888247 : A5FEE66E1A6665C0 | | 2017-09-21 | Oliver Kruse | C-PRP | M5483/888247 : A5FEE66E1A6665C0 | | 2017-09-21 | Oliver Kruse | C-PRP | M5483/888247 : A5FEE66E1A6665C0 |
|
