Factor Info
| ID | 659 |
| Size | 42 digits / 137 bits |
| Status | composite |
| Value | 125476915517838563886077335960425170724751 |
Factorizations
| Primary | (ID: 4) 158414167964045700001 (proven prime) |
| (ID: 660) 792081397330050024751 (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.