Factor Info
| ID | 163820 |
| Size | 172 digits / 571 bits |
| Status | composite |
| Value | 4285744308418656660150862038650836018488934658361327499856226853670154922762151750398171352710522023179825386982292364212858321353194975818915707536741568579481394787795479 |
Factorizations
| Primary | (ID: 195323) 5969112070562977949109818240380108293727 (proven prime) |
| (ID: 195478) 717986906219109714956302411668712697002395693070376108882500359955237749989671655351327281070787873051457828959469076116851289845577 (composite) |
Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.