Factor Info
| ID | 1015 |
| Size | 78 digits / 258 bits |
| Status | composite |
| Value | 278224792041952953453146152637787989427689314818784638834231720612244062862721 |
Factorizations
| Primary | (ID: 99) 878132240443974874201601 (proven prime) |
| (ID: 1016) 316837008400107576629115441641182686718784605974069121 (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.