Factor Info

ID 64603
Size 649 digits / 2156 bits
Status composite
Value 6465807913584501722892456206331756278591360300045056726488870886377873170971912813435847460521669125483667238947522841587618563088824656195218149326637257282279273392754964599526212526865574999242072051571737468162610140559550677889578105899903985222744252755443360151271672465472519827161952891514866149976066058476267803055731410139624837700439749387833530779592655632682727134319050964624804158320481015662177438222284509872915292656267524315524382671099814449030041033043754253192060735795155518195796763744637963873370029769163041380704605344285030519301468189118158855420622764818264458469713001944705331787157494261671049300431432017837958207

Factorizations

Primary (ID: 63840) 16761706347504320922637 (proven prime)
(ID: 64604) 385748788311591373452251403019439069949703317078510155362013471352000432725254734317904808512131313595198755194365380909903511145472412140193884623891314709040182054770422400656673587204217407297828294986163241688533304870127059253997371197205144668449141451868678753339499646397556854931268517893291359414085183208459676741211307301390607145757408236437203437043054537507171514157461626636424977280821489156510980687542562947917282153193077294427594350360136062074876807946103106660669895583591591981645960314964979859722810594825385572449407863050070694440601870995765584822678066402729562863893863990623620381992556531071611 (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.