Factor Info
| ID | 209473 |
| Size | 49 digits / 162 bits |
| Status | composite |
| Value | 4047579408420597396490444358515648944162400889519 |
Factorizations
| Primary | (ID: 209474) 21217730013422348825863 (proven prime) |
| (ID: 209475) 190764016973545059591609113 (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.