Factor Info
| ID | 163719 |
| Size | 72 digits / 238 bits |
| Status | composite |
| Value | 397869164826562167981695074765627103106793176130414668797603932153255193 |
Factorizations
| Primary | (ID: 195400) 2307507456555640558410181179977 (proven prime) |
| (ID: 195401) 172423782942158571705398733721553622320209 (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.