Factor Info
| ID | 136503 |
| Size | 80 digits / 264 bits |
| Status | composite |
| Value | 16217623444476237258641156800889037594456422089504709737923252432013625639956663 |
Factorizations
| Primary | (ID: 136404) 459408054528299360264076035007841 (proven prime) |
| (ID: 171399) 35301129975023626547559778905908150113948939543 (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.