Factor Info
| ID | 520 |
| Size | 111 digits / 367 bits |
| Status | composite |
| Value | 189239801789199721435280526513670651175692158698267743148186753433191402555236558108254515949333726612915852241 |
Factorizations
| Primary | (ID: 7411) 918229218981115419161903071 (proven prime) |
| (ID: 9206) 206092114994101145719455697037421756435860519147821670590462891997478121459899720271 (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.