Factor Info
| ID | 1600 |
| Size | 77 digits / 256 bits |
| Status | composite |
| Value | 61244977666176419779087129282399961719815705356589483857467719907319962593743 |
Factorizations
| Primary | (ID: 241) 43561231976081277978655158673967 (proven prime) |
| (ID: 9717) 1405951459311457993425484734980167027704556129 (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.