Factor Info
| ID | 18521 |
| Size | 158 digits / 523 bits |
| Status | composite |
| Value | 13823308021771889653928541641461431213546720737323842877818956187655193432545067182503062729676208848720928563877310331410948338154939613215077034429696598907 |
Factorizations
| Primary | (ID: 8199) 4160924156784953821413999107825795646911807584554735726748631757909547764679 (proven prime) |
| (ID: 18522) 3322172551314376232138567000961500096409059258253885638318053320936174431744975533 (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.