Factor Info
| ID | 8643 |
| Size | 164 digits / 545 bits |
| Status | composite |
| Value | 63241077314476461969019504028794399083062140280197917394177871250803475815289657260342384131839904016044225766616905889578836597904617920150161984547048270909368489 |
Factorizations
| Primary | (ID: 18439) 4961889461604693798857328257 (proven prime) |
| (ID: 18440) 12745361984348611149540472768278375916220358411721343694445688561361809211641679101187505060234613803431589188981131018096646743115931177 (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.