Factor Info

ID 123155
Size 603 digits / 2003 bits
Status composite
Value 659772955831615120508896728705729899054603975105947095497536663575672886832597788312407653014020348402268340382613203234222077180971291804946966014432778299843540394465429398987711656224598866597493359963009580450186611138099306238699657183905072417885898343836486630700490369665226105027751254176896519271476173541469359591897079457625231181757728676177106010063265247325645968768933250645371257537414432909637649143078946294975616171413760329734504935316495336146208367123354373584037819111154278341337078133811502709140406278109285774787137832794400918072613740120206837974831721618581575706633660939

Factorizations

Primary (ID: 49564) 526786549986605233712589203105208601181 (proven prime)
(ID: 123156) 1252448369929701837890799803725294797536463761436582008576567817118345084332241441439023172504227338170870108560980886473761894476181379196215472735153712214851041884960493314678902528381283419612496108396672570377023924152325362990001871728634918578855376915150684864596859332820664807808586083578669715925927454188080843318838625500152908944962620470434974084679807174869303692599854218102263291276831989505721608614491701348572296052134691490469678780829561018672732560973910235806609779223307164353386977924820103251512580823746501483505193003513236821604208519 (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.