Factor Info

ID 86461
Size 500 digits / 1659 bits
Status composite
Value 18558142218488928995443924675343580015661993551059809194666297338959214834800761236908931371256857533230121272042368939787297627747894483916655791804468947169761785096113910683777399013919521644426261847857162648447008933688548412462193876249693279099727897378772109673556227792782751783386130524509217647459368344187632521676506728522817619542620943551094827969635059075455140449937548107269767078470092611768438776022594415971928934097169856174186390830628403424644602703158428701207530113734168083

Factorizations

Primary (ID: 13880) 28957956380769874950233378106381841334009221 (proven prime)
(ID: 86462) 640865051886494451771686054364966386991838395111117072547525038816188978803444621255505129256736881091642185934554858569467013783500089069438738214993504339881063801470759314885392206710073797460924087840253179717981321330275860920369653701603816387873099028087355971972207005337162028972029037214753613495112934946017078873038720842290205537099977038714370141854347049816492748646748454445586467207751704430127919093945609083008796601112437266628320036023 (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.