Factor Info

ID 145364
Size 1239 digits / 4115 bits
Status composite
Value 289503264219180834582734407661703828767012783441957231317873511187433024106456911898313210228317969555806315784129440059766855023370829994385166756964431814368379193115605050002106731568993771194427968898798407410286018687218161713190355555243332812644608234301656465996952643164579424575290428428373281365849928793921331293470523282697350369642288690187563124649205868177317501927373208441450464062046620049175559142445214049140579575788104313873407544398406507338516581536227066701333356779195794708193915657000330892768249262142594310513778638348915795085844492925450510377978750259788703410834692541109952759912424160033011492977474670907984585537169932973578009059788686264574794694012901183667911732567586874469956210125113972485878945322285423639921388895211991619168740396005687238965810983511688197329409352542487058330014126268048313486761736682998355384760812704924384630316356394250000208005775282633930415764994929940463334593116480753461774944596078430720710130561454012295959409461047526342005534750795731988834955644702839730561067651479828115553133183730381096653855501051557376646026093575484522263508950386514325952624843330826715109256770939475061234983403933260939874084728876929834096019995153124118525378887889185509

Factorizations

Primary (ID: 143128) 917842427566819615573 (proven prime)
(ID: 145365) 315417173497468093786186786125745660913586486327184488678263048538909383028837972944592002425444379584869254419571911924919082716209610443352763763420071411407450220199318144312144574215962068532857853315004841103538299368979413908465200729162020230835017432276208304159596982594885435669936288297079747785397032355401007531118499367050815928017567424035259068893458814090825695106054312343622192651784901780248055217738859293372981701155216264065601198883199132975374793885746380250322076952247878099762160933848590864401643426093981394331170384483770738026246153404223896179868547472032854797485983741709532772100650200517997983826604790680262796997488590948354348945332668412808763733109013989066421802251116076763482158668872535420880500868025479040898045191019474303847909418053152851219413872554500209232193543450511084879128998017527077836194163323165634251659726046847796430351321548961369224535728594462626224237753085478180489175708595784249512615193284415326160096078264942993994468674031803021568578147819887929011020102622549831107315926125240259131063280644629543689780175601228520614967507242923663909239691406087539367052109953083193443825873790816259011877335871150170218235059134476384760611168209233 (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.