Factor Info
| ID | 17428 |
| Size | 72 digits / 239 bits |
| Status | composite |
| Value | 749040380814107587770521282394661628386159974185899377135037912245035617 |
Factorizations
| Primary | (ID: 17429) 3276974780364284482799810397121 (proven prime) |
| (ID: 17430) 228576791406017659230547997507603024201377 (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.