Factor Info
| ID | 472 |
| Size | 78 digits / 258 bits |
| Status | composite |
| Value | 278224792041941226455162626208346606951140671102020088806513697796758490594561 |
Factorizations
| Primary | (ID: 99) 878132240443974874201601 (proven prime) |
| (ID: 473) 316837008400094222150776737920885469881809351973256961 (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.