Factor Info
| ID | 12171 |
| Size | 140 digits / 464 bits |
| Status | composite |
| Value | 42513735824823585987550578233289140602842622811931302210324789559694099728548915011363826686804261576937517603549518639120713660315782875201 |
Factorizations
| Primary | (ID: 4457) 507451442443788899165240329482668362950054541832902585238747279444641 (proven prime) |
| (ID: 12172) 83778923989427602290731411437705844572792550119941730716001685988768161 (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.