Factor Info

ID 153878
Size 1014 digits / 3367 bits
Status composite
Value 257885275665997263181484796766162807784084322196274664691121923760900313723795285659074244444403998716838422862739170766435698240838697880246422368091119313995735279038838880433209747302278293932333523975456348027605527595785797535791086527626241297026171247523671129709563524298672378388053854899603963512363087254153636380633621829779217882886761150148475366273561870838128882164954433799864422004772171604714474115333492766309284503542754697375396424135771974554908712920044680118416769864450728576962617883263537282029607354574478713561611370865103815863339384916630272503668841967967731952732888958883869596125923464097006963081177336225574096984964766919062997132976910116880457962116590495938714525414273794127130448087778864657871082512984195037591231145000949670113238099562221338067610767825117089845877701342008176810449556442005504870925771026766319031334912633521456390051940913082170036723742835541124990856623513738617692436746667684987861251794489216126887606559495155712126216112633430413672759877

Factorizations

Primary (ID: 152844) 552028333029397308937 (proven prime)
(ID: 153879) 467159492069520336142357218398755351246444320964592578194635183519421445199381029768711209884794086508454780568336194293805884592349048405413221943409233680367609873239326542431839012141040744782522703204039994887907327973258367392412498194854871657198196313480762214505745413746020021219981869810317980269339284072526036408865213850339991780341725918795782183170917219908154798238700621966848278331682450426673013113548645943739345528043063753188416656764799373669317105115805101078949409914712368117355250996188950861541129912387742977669041395414055158327735381646273919048694422564661246954675274653711714667760421808408988908324649461135082727146445516411720957528430058753125165342471486868658378842345732802423220047169732287470996076541266277628530215227874970699774382290430608650801770543463305693103075776290971912903431996694983874707229143442832314685369751266786590567965228703046961020869215945101926037273698707176971284764124133633552288920560677507807707251519723637173430621 (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.