Factor Info

ID 63968
Size 306 digits / 1014 bits
Status composite
Value 163322755472084609117256123709889163941546901876647492179828491050409613429718297480529116052079466557126728417072792746053517189022970265687685721385828354084044289159789324524538322769568381628106905624292324569825306098522572644088146131264302925986933816713220205250716608051115241181260683989018022833

Factorizations

Primary (ID: 63384) 10220537742525964173135803376631640231153 (proven prime)
(ID: 90280) 15979859336806289894951630630948824628945494098929056817789436548475449629598018069403543731758821110810390697259386213513479103837438948115074548617948750441571961171324453694215348525444035425885317327209015008547726764137375275252533474591958812863187014034682561 (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.