Factor Info
| ID | 63992 |
| Size | 129 digits / 427 bits |
| Status | composite |
| Value | 255398689884839730887053277839323053671452972719616249039989245847794791005388606440735901554404647190750193696848797401954871001 |
Factorizations
| Primary | (ID: 63558) 909720698865858594937498681 (proven prime) |
| (ID: 90304) 280744068155471457127294464360559152350130992155654260716340833646380625546617977605010500856272162721 (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.