Factor Info
| ID | 143228 |
| Size | 78 digits / 258 bits |
| Status | composite |
| Value | 302318471998359658707118432602716228625057940794051061880574367558631226631453 |
Factorizations
| Primary | (ID: 143128) 917842427566819615573 (proven prime) |
| (ID: 143229) 329379491422944324190774066290922709826682605979201915561 (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.