Factor Info
| ID | 648 |
| Size | 122 digits / 403 bits |
| Status | composite |
| Value | 15815407798382234375389207293835550382227669993686337355848362846205293248812193869478133293900793919133943775606599327967 |
Factorizations
| Primary | (ID: 1147) 35668796989484800666122809 (proven prime) |
| (ID: 9269) 443396165086381619070282306059134294488156154859384256854582594369822984463919381177309319599063 (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.