Factor Info
| ID | 138988 |
| Size | 64 digits / 212 bits |
| Status | composite |
| Value | 4261045762516713773488582576556833869762247979256587921695211041 |
Factorizations
| Primary | (ID: 138856) 261501808988233731193 (proven prime) |
| (ID: 138989) 16294517345799468043678364343079400730543337 (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.