Factor Info
| ID | 66171 |
| Size | 173 digits / 573 bits |
| Status | composite |
| Value | 19209956850394958556236594975746994667231472737638280152919895779300791646364693489818394101654495939584688993199039138904298209392971400542535734808995508135874452817737921 |
Factorizations
| Primary | (ID: 65866) 2267163273850729470001 (proven prime) |
| (ID: 66172) 8473124574643999085987865272758151996678245760402275281850176167800812985577605824625158808144050255282096869545306946374513712866994569182530485867921 (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.