Factor Info
| ID | 4388 |
| Size | 73 digits / 240 bits |
| Status | composite |
| Value | 1299857301589531619071052036068774585443486531635933905217723184489337789 |
Factorizations
| Primary | (ID: 4389) 352436749324038579121 (proven prime) |
| (ID: 4390) 3688200234744568182050401066389522755138234431221709 (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.