Factor Info

ID 31814
Size 318 digits / 1056 bits
Status composite
Value 519499938296408986038051595189257153357282652600391547134707744460539221663518888503675868786533739787205028365944427814748637317366518195787269262350870032528848881430040526118449096701525826405507829713631005452000752275722964283688695033865462342669331361823774580501683548105780188556751083252895329746336238494797

Factorizations

Primary (ID: 17740) 278651896702502332482621071375321 (proven prime)
(ID: 31815) 1864333042208012377430591969589755263924866882466368593059242785503843317239507736476444730522766256595481226287543122764981199487136855587480890632002610232359617457296846893547405212441737398905946532722927595824585166847541566630012546055652653944027985850116981794800818611956721557 (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.