Factor Info

ID 63028
Size 651 digits / 2162 bits
Status composite
Value 391627242569731851263702337333735717902816064209328069483584977660391881912439279837343715302392655317800413596761924734728595242224560803459148254810708360526243059423643241727604791459685183555258280147055032954834969381243305838508614122113125269071507380860374593572549126128049434294788242973338199120623528080245739425857638613811780506583047541416790172639627810016459870994985603017922310967178913118381189162176026331367886750648845817742807812159091249276002156860804439501467433058216708750945235693664893184612550385134610474310633502484019014941197923069006666229513222436689539924449149126829681673648901884658806776973667484317860985417

Factorizations

Primary (ID: 15773) 9767813704995838737083111101 (proven prime)
(ID: 63029) 40093643715730417020325385286792883423325113229557269521446175614891534540895085126057794380890708224569259936281020663244223633261159640278170705520057420438950197660784782457936143399669291142671875836608501669835792051708832530023021462515591297759793887137261222401649426593063454712380207698066127259010848265842003103399932967379804696211054534787652035855361413092480237663386567712401955619929772297621975080462598229490134993602775565751140264080333512312748876119162661197830868417495536382540695286112086218843626958877959975067460000810705386050845277812865714107257825556276260745985583472550702827918511726717 (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.