Factor Info
| ID | 143265 |
| Size | 138 digits / 458 bits |
| Status | composite |
| Value | 490586315946155874729990220923546801117525657164776944668371157518992912466304810857127177123820001124550536284328165478015547477898927761 |
Factorizations
| Primary | (ID: 143155) 121424174293928541805321819040594753174421778856178851 (proven prime) |
| (ID: 179137) 4040268906903212917244529202439192956082966577788411640885084994169137400208692420411 (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.