Factor Info
| ID | 163729 |
| Size | 67 digits / 223 bits |
| Status | composite |
| Value | 7186021708763553450788108145127254811763611114394288936513904918281 |
Factorizations
| Primary | (ID: 163730) 1900811103440669085433 (proven prime) |
| (ID: 163731) 3780502805226723645212186507404131369028314257 (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.