Factor Info

ID 42178
Size 245 digits / 814 bits
Status composite
Value 81859816153038695066901865120088176889535589785568238381731795664449957268227735393633694177304195385648068314523584943960119387131380944851566879100161098725208025096039350831026272510154767270405438886696574229628669156691854330591996047302569

Factorizations

Primary (ID: 9198) 361550655697011119582062819781 (proven prime)
(ID: 42179) 226413131502212946593786705989624713484418985735059473779650117542572664158156348347724624162323415856817882277243271885609537902356483058809099316888466437993486790356591549799820095613172268908822952224154870579349 (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.