Factor Info

ID 21422
Size 471 digits / 1563 bits
Status composite
Value 208920053710377526522034768941391551717818998586732785876472658146441852325425923081430705721500787822348664525937293085375822980769674499435873323469064303028972003586482171607498839442748700071618767588349805990412311829967197360498847237873631280078251629225304560977312681625947357549682751702353130926310788743492953921943251610837268912159304760654831856970204452771392633396290107059311724136528512446780874855645243728697481238203295934223339549975690792460989577

Factorizations

Primary (ID: 16305) 534366212823606171881874993300544219189772104182089 (proven prime)
(ID: 29885) 390967933033112362778026534912567803795423606171580408012273578704339777145011736162234177200572568233975170587495590912840288073510507996999444135332174104921904206062761015597603041257052189417506757353056561131367510706175689451593033518597325943825225083490189023547988621248704727280310532867922238415159758028609220390324600960807454060201449764243278961487592476254009082555782342643272602037399677467350805737793 (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.