Factor Info

ID 151813
Size 1280 digits / 4252 bits
Status composite
Value 63842653947648695281827188496181591571013093254262264534074747695860757784701442673861904928575207802516962650179771052247458152661135930664733196762592714037718951654222099631452690262689557900766716877817839859275208692464140110117437719300234530441764235897355142865085904943529296649196462556276290003159212632923731852354002575268189321815701575470796632945678138223303752697874597271596204181300396098574342966479773303964477747641293396739569803297101378279525128861308926845375607805087600489573527269150716827929023943790216989357224572190778499155233488873057242336150801142674373030407741496997878351658855832658904654146760035294727163044483340602499522444238275038478748281035425552995267818106169582907010898872514291400840187919579547061619226952606292236128191699568079292617353455692418385074706993445055789912932644471129446919480797267694539944041230294608860372519486466493955767838646703272553774528829801380941589162272926945015572478728868548953742843786812177011386351072876716857985920740064116190469907110806711993624332204100111049771522044885369158542181263402094377608028488997198370079186990901260540175585647837823381846510323491323582047495009272926418451877205009920849644871311511171285969025640881602649578128485235661901775646951289589768667383

Factorizations

Primary (ID: 149890) 5895218255741406336260987027475087222168206395403150707775576938293536365603135766822998316142151097631256574629759834767362200619424876280122816226537145788507525632659480055697204940336347441784986807614608237504798011528438205969996788853 (proven prime)
(ID: 186054) 10829565790116720044333529071582449010486272870948948003751003517069455318257956112764407868471791212411932264304803611559375817817865373545660192315752128492561167789903725417431367279358131467478227626232836947216362352913839258614663168729671163848144719982989911988472637444174315726342123582657885554298522771547853762518178377546623652148485682179845335506010821384829301411832571690244913819063155953941163579473335288363164540887355621265682547748228374888595181919582832336486479688704577841674977765069070828551307733876117690565855284627074488845619099626486120799619965099172431311143192317529517694918180104631905772778851529652744808774971350569521460413840257592310173559005319725677477114301516049560912871870845184468237987591615026110876778764946909745409835918951963945884236189198101558906234451191923328319725008530434812534020341035201936163276079955369163228393959088273644417327632466703601573524427939167013156023512671861245620415998607665051098524940842353352253975392862953166066597099809208236378306649952830011 (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.