| 2365553 | Composite, with 5 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 120 / 640 |
Estimated T-Level: 25.9 ⓘ TF below 2^81 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) | 2017-10-12 | Oliver Kruse | E1E4E2F99D13D968 | 5 | 189173 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-24 | storm5510 | E1E4E2F99D13D968 | 5 | 1394030 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2365553/33117743/132470969/149668538311/1717391479/1745434995268457 : E1E4E2F99D13D968 | | 2017-10-12 | Oliver Kruse | C-PRP | M2365553/33117743/132470969/149668538311/1717391479/1745434995268457 : E1E4E2F99D13D968 | | 2014-06-04 | TJAOI | F | Factor: 1745434995268457 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1717391479 | | 2008-07-14 | George Woltman | F-ECM | Factor: 149668538311 | | 2008-07-14 | George Woltman | F-ECM | Factor: 132470969 |
|
