Factor Info

ID 203970
Size 640 digits / 2126 bits
Status composite
Value 6597815132539926012181153601872544413534859059323214670618484635990123095834477088402677174109515133635535262377931517129113642020611067201155637175422227606507562441711841270384239370793863548388548066878923468424300106666695466187741714951023450998832874386774423717612783656452077858495548687243223128826144677649078602314704315578170400324897451781975964819929212624920479646573813807063208323941635191250040732980398989662948563670368216446038768431806875745776233899678245743439510356796959429489950884459707071485245856888886043245878152155205780786001183587049838136978733537339591605770174869146068808903519835619408737481174963139

Factorizations

Primary (ID: 203971) 305154879413040036628057 (proven prime)
(ID: 203972) 21621201487030801031483265481001060784069385070628100302103069980062115946444210754956711463606309169122363275857413977091958376029981660705435986766729593594366347852093517378334511061635862736323593533429733709549925000473292893921435727674911407170016480897027783305840817980376479216951775493712160378331276558389801140875149464300828888107270360595884014162147468396838096041056881719333979042432825167250890400687817026391721962090372243328067716884146906022807395269018815276721841172817263469777708381340170040737975885868067151251508856921224145511273359681825628260011254918895027418410396556131738327080827 (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.