Factor Info
| ID | 143253 |
| Size | 85 digits / 281 bits |
| Status | composite |
| Value | 3652945252043195596687853380320880761198096626722952148947641011117271456516828960513 |
Factorizations
| Primary | (ID: 143254) 107248611633411791617 (proven prime) |
| (ID: 143255) 34060536508662570401957528582897607294545158118855407029661989889 (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.