Factor Info
| ID | 42151 |
| Size | 169 digits / 560 bits |
| Status | composite |
| Value | 3218412971576052071223137172587278951780344383471675061967782521564259728959104440390536614201238285246858475482505861078381078630609422763859483894663844022289232120651 |
Factorizations
| Primary | (ID: 104) 1589546141427272679433846364366380457 (proven prime) |
| (ID: 1526) 2024737053990895911347725152486620366646536731670735586755473549330175539010718436276240878799539014095020210884553754804571509273043 (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.