Factor Info
| ID | 2217 |
| Size | 70 digits / 231 bits |
| Status | composite |
| Value | 1820000982311531033694859127330783920946002983680554138268503342963309 |
Factorizations
| Primary | (ID: 2153) 154083204930662557781201849 (proven prime) |
| (ID: 19301) 11811806375201836408679635736258669583187541 (proven prime) |
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.