Factor Info

ID 152575
Size 257 digits / 852 bits
Status composite
Value 17628612649290929374840992701644834486508806603999161437269430382054307584889995280946731533935955809872919368205647791787253045962272509881737800777365176879642368945643835190071739993905793052234606206635270923357185404562469752507111945429974449915425171

Factorizations

Primary (ID: 186404) 1911440439522305843026185779993 (proven prime)
(ID: 186655) 9222684779912133702589418245322363585297633061244398670537986664749796202279052641558592875935723533287242581284117110683470210734037413139245904650488153415998955372672866617961240685082289025103249205782961237945977778033547 (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.