Factor Info
| ID | 163646 |
| Size | 79 digits / 261 bits |
| Status | composite |
| Value | 2575516845112690186293481768046929901254130625144948167756053100691688319821219 |
Factorizations
| Primary | (ID: 195343) 7625943446216955948277838399014539391 (proven prime) |
| (ID: 163547) 337730913332479682767462944416826639423709 (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.