| 2441311 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 197 / 280 |
Estimated T-Level: 23.5 ⓘ TF below 2^73 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) | 2017-10-13 | Oliver Kruse | FDE483D0085BDCC7 | 4 | 1128245 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-27 | storm5510 | FDE483D0085BDCC7 | 4 | 278128 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-27 | storm5510 | C-PRP | M2441311/18031523047/1596290258327/3806536054799/442541327593 : FDE483D0085BDCC7 | | 2017-10-13 | Oliver Kruse | C-PRP | M2441311/18031523047/1596290258327/3806536054799/442541327593 : FDE483D0085BDCC7 | | 2008-07-14 | George Woltman | F-ECM | Factor: 442541327593 | | 2008-07-14 | George Woltman | F-ECM | Factor: 3806536054799 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1596290258327 |
|
