Factor Info
| ID | 28705 |
| Size | 107 digits / 353 bits |
| Status | composite |
| Value | 17027096010652984618148032001170377293673966779677792387861614910155088516672959186080564620770964939012387 |
Factorizations
| Primary | (ID: 16372) 666305263236528922424959643161677073370809 (proven prime) |
| (ID: 28706) 25554497240416675085996838334731502917554555803913686729349216443 (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.