Factor Info
| ID | 152308 |
| Size | 51 digits / 169 bits |
| Status | composite |
| Value | 647950099040672264672824773077898812801348806104751 |
Factorizations
| Primary | (ID: 152309) 1215577980758032711803601 (proven prime) |
| (ID: 152310) 533038693771510650544161151 (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.