Factor Info

ID 15815
Size 301 digits / 997 bits
Status composite
Value 1004101333566085631794035326522584975552265992957608560508433926022478941547860017902872995458004769516831876659003144526799759279488163404377325798037344365888625089152704707272245664842284597852892997369018721325543122527725206370296051532835357931074631029233826495658273191954690578809669278791633

Factorizations

Primary (ID: 2971) 78919881726271091143763623681 (proven prime)
(ID: 15816) 12723046608822239462471388702470196294616279102487317931549508583593819861956265451922886733860861479706160243132851345061370724947168632725366968004828380520275565165321367956790672966227964657956298410005444782973332877905164407021084573021105159324210133474861457885393 (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.