Factor Info
| ID | 131689 |
| Size | 49 digits / 161 bits |
| Status | composite |
| Value | 1696906857921996472468901413946002145530318234441 |
Factorizations
| Primary | (ID: 131690) 372515213872960388437 (proven prime) |
| (ID: 131691) 4555268603071594349347155493 (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.