Factor Info
| ID | 161003 |
| Size | 80 digits / 264 bits |
| Status | composite |
| Value | 18365680121808076242832730505145845519032661586146818009386254802255008282809167 |
Factorizations
| Primary | (ID: 161004) 3734683792412648487053 (proven prime) |
| (ID: 161005) 4917599760150948849560392925354350447839195300187925809739 (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.