Factor Info
| ID | 1331 |
| Size | 84 digits / 279 bits |
| Status | composite |
| Value | 576133760182548152618771452300806236292004875586990029182040176326066002816510938321 |
Factorizations
| Primary | (ID: 129) 5280544535667472291277149119296546201 (proven prime) |
| (ID: 9556) 109104990269668011572542316384984370077971248121 (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.