Factor Info

ID 20053
Size 255 digits / 846 bits
Status composite
Value 285213367713457538764497680570446381650115490741903569256066283500359079134575552636704133812247018886939649630012265896008349551201567756421800857399676254763608930273286114839923614328460755519246312846071611779718162269123868985404950695339317212867201

Factorizations

Primary (ID: 20054) 13569612563320403017443683179 (proven prime)
(ID: 20055) 21018534345218441071127433809180985006308917111879145503755588938499582249801528315851396821186705846225843767546582331049595079699401144724668475850635837825032645140181523656961033047774492191013227220514518968653280791169219 (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.