Factor Info

ID 165815
Size 1297 digits / 4308 bits
Status composite
Value 4218961303116413678871725473048364681572793973138156307098461682122585314630180663687701018258196052856876018530399586175575510612485515829909176301959609189152426392635477883114718300795613678523272187841195591276921648052519303994508573513864736771662044665237450906982641631009182411148837404489294382014107511622804573945103142944543371643057442901073328971596557743565044261685504081296323856256071974232200456889741172238562598427626333092883921424341694318433217540799908659110556579645615590712833196962918534091739667222481074802808579628771508861148926276355548751440801149090736407700357487945607513569076542825765940745379999397703009858031576306673559549522475049699316752322911217558585804450028532805696531626789029166736491687560765260965255250114600519694352228443480064777345064939705139956396477379037276698611910686756974767430976839041328671638213611877476019883732452642817242568106360871515943687497094549286964201492046401246397799766541150481329119132573846393581756141897782443774239121842192214977616243088044218765762108704740502569103418106371210209721633564509984617347709291200197368297121333397448395823265555321525013197514169036894096869990742174138325312189669842081851708279919714254215067623550996691932647087889288486513677567401660528321120254268676273098383

Factorizations

Primary (ID: 163527) 455914145581257265993 (proven prime)
(ID: 165816) 9253850410229202012395772521673141441474487353067557861345051485103245723598340400380560061502006555997712584038398969208565518056837942167330386424200328008400661056784467392899846658914239806035949063016610769632682493215442414337606797060565659417266074598966826982207362477926777290565496768541352401851635210747363893545610513905722984936519555717782893869412720593449728393491512510556177630592778850582442679578887565901034896181271532448881212805414529377095651831619544861050883043710271897502540174553986929837073241514645187214157902118203519423871889430597297661656499798448384152144027407050028671040938956005075450778703375054072610983762418483744903472997934610993143853874611454723953893648161734610754296944793288809078454404745393227097263537788119629909317619101234762045597846635420823848147232799814892259732392675333788020869938846346286519296010419556613590788709522446217274128166044786632219580910040774633025799071669420111905225423509049146369200011243815899731715612138118690902739695583547859541339998433208849698708578368185291824969049923543931191956683946373124340321735814736223019865974942293228641941911078871065623926631132532230952280081022489371503460357964633517221380134001772099874272588232616621835526700696339770615740608423900478231 (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.