Factor Info
| ID | 163771 |
| Size | 169 digits / 562 bits |
| Status | composite |
| Value | 8977397996927567417009721587885573296071785759919720833256704097213597777334687553239967198974720598250717445322760204674856410825579411502756373313541103578588661950751 |
Factorizations
| Primary | (ID: 163520) 3900350408237898825485900551 (proven prime) |
| (ID: 163772) 2301690119422725990358390614432095014825703738816111214950634182213202559353107788244148081422535530988135012378900321092469185314351578940201 (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.