Factor Info
| ID | 1238 |
| Size | 57 digits / 188 bits |
| Status | composite |
| Value | 253981352251160230212442043440409543904792970296050593801 |
Factorizations
| Primary | (ID: 7418) 478330258123360554199869169 (proven prime) |
| (ID: 7419) 530974881763927371142458559129 (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.