Factor Info
| ID | 171649 |
| Size | 157 digits / 522 bits |
| Status | composite |
| Value | 7180581336708315463649289799318263337137720447726968893337058929664056432745517790703221240648370057950806651407858671233952626639304047821712915271355229457 |
Factorizations
| Primary | (ID: 136459) 425965856603905306199831702308349603489 (proven prime) |
| (ID: 171650) 16857175816758837920486156799310705697151396472606848969501211914070438919979152675082298205861405286402837720110796913 (composite) |
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.