Factor Info
| ID | 163920 |
| Size | 166 digits / 551 bits |
| Status | composite |
| Value | 5754426431477724469952436350327752078199638882705802026741844920910139303986032647548552377164716001878101096783173188823974368246537326663669964303905651501236545169 |
Factorizations
| Primary | (ID: 163533) 121288305745180331089 (proven prime) |
| (ID: 163921) 47444198318405398268125889189075523619130586995803360224072544303401943922147738865641572691556828807040567773568853164049021744697166566254470721 (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.