Factor Info
| ID | 16563 |
| Size | 83 digits / 275 bits |
| Status | composite |
| Value | 32450839233769795837441099975507900416662687744895393244588489800379969564230502961 |
Factorizations
| Primary | (ID: 16564) 830940907997357679202561 (proven prime) |
| (ID: 16565) 39053125103660183164441686604536072228713524383976301316401 (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.