Factor Info
| ID | 163563 |
| Size | 93 digits / 309 bits |
| Status | composite |
| Value | 677062006258696328043398053447351133505608909393178938057942807760612815586598386249818529523 |
Factorizations
| Primary | (ID: 163691) 12680264331981888792633271 (proven prime) |
| (ID: 195313) 53394944185116485389515271101638475195518767022532927453948763407013 (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.