Factor Info
| ID | 161238 |
| Size | 189 digits / 628 bits |
| Status | composite |
| Value | 638263798144422722541245727801585576108116323509272028937781614404819405572734990965675211860072593276279063694536900635977154569674994748381910599650704742764348046992346021653303397892967 |
Factorizations
| Primary | (ID: 193505) 394077814326878494133888747332784423343371 (proven prime) |
| (ID: 193628) 1619639002603170053947284593269540478658140214895775701589150313455377649672724226633207017587963138979221739635946198485489983463089015254758755477 (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.