Factor Info
| ID | 13157 |
| Size | 176 digits / 585 bits |
| Status | composite |
| Value | 72108177806577373322419810693439446359794954455064193456481167262246990489282860825484570126735977814791338776392917706758000320508491521852200239201491096988211237048492596261 |
Factorizations
| Primary | (ID: 4260) 254395969103901649521223867932173929 (proven prime) |
| (ID: 13158) 283448586314379052326480952325834531263646958494231338447389654861344245659201324792906956599726103296658492537694904969631634935502804822109 (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.