Factor Info
| ID | 143213 |
| Size | 143 digits / 473 bits |
| Status | composite |
| Value | 17478197102878259341232231567421767885386594156424792162433588591605221192501904505956367749260484275841282367176253353063823758678803025801141 |
Factorizations
| Primary | (ID: 179113) 1680300118519906240736752778184062511636131644979236021486890446357 (proven prime) |
| (ID: 179114) 10401830548148710374704335431768286977749671177618725707091309840273782260513 (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.