Factor Info
| ID | 131781 |
| Size | 140 digits / 463 bits |
| Status | composite |
| Value | 19087716468822466014402105487302067845562680316070758118427534390242188877990081396711032625992149904739703475601344698465833283422818312159 |
Factorizations
| Primary | (ID: 131676) 1502097124754084594737 (proven prime) |
| (ID: 131782) 12707378340763022303834788732316033049905586902798174535829041327748493287202135967586637211532141389776633972732277007 (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.