Factor Info
| ID | 1728 |
| Size | 72 digits / 237 bits |
| Status | composite |
| Value | 144730164496850332952667296661460615623434515802817618676902712612336321 |
Factorizations
| Primary | (ID: 9839) 6091987724746741777931027724601 (proven prime) |
| (ID: 9840) 23757461609604130553429094946870847499721 (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.