Factor Info

ID 197039
Size 408 digits / 1355 bits
Status composite
Value 661070217904255057386273632992972128403445881849581733677384183561690806327904706942674037000940782826348369046024980995923587920667556333391558130622326783445397185153040977461605674317292182911888719886076596419901125278962506309030261704308721357752587939859710841738132617216021140783829840794996586687651579715593462289865101127000600495619977916693479118704054335463210644501974202598094142932178474561

Factorizations

Primary (ID: 17476) 2653655703600055300471675940271611363631320368111914433 (proven prime)
(ID: 197040) 249116800271949673098396815387954880562012169137885234036886672127006166403638426197104283470954385752934134811311670111333901449232266967439051805988580379984786263044753679856253122626078283728365087893496585416965723077783527728725875480388520341678688549735605946364310249507547528879630037391268747994122746875519898431530679224287581255210085132417 (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.