Factor Info
| ID | 42504 |
| Size | 152 digits / 504 bits |
| Status | composite |
| Value | 26688242151494778147113430384584351357948730978269544481164723854135382484482250401745108009912587257142799523969795160475698774435863109841237028679521 |
Factorizations
| Primary | (ID: 18) 1702945513191305556907097618161 (proven prime) |
| (ID: 46416) 15671812130666022900353922696133611234514082253662254120020608366335722884564857113730908099719581814917667101681524219761 (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.