Factor Info
| ID | 437 |
| Size | 55 digits / 181 bits |
| Status | composite |
| Value | 1957581702471355016125226643410022410825360471438431891 |
Factorizations
| Primary | (ID: 92) 883364563627459323040861 (proven prime) |
| (ID: 438) 2216051880587916003268636813231 (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.