Factor Info

ID 163257
Size 1319 digits / 4381 bits
Status composite
Value 56289560414479439806861176153293875953151916326690679840787158829104834444513423765227026494380711080933971458396071712876218539297347313736093561071951268220127699746099096706849786924003934211868023930948673418862561506466419913933726772444042964268581738756912892872767968851586139138636823092189057412851534885893592962766349100702969365991979196679235535299908221903800757245608091843643559431978201245341043921750594890719782937400437517381437511533970107091614078688057387787446461777536203942600018365112606497844481278218988784001339256500773792589468093247471371306864844982000917693224129390972728026167285924242739433065676459969838632046638274048390247976498626013024283633172700709164341171552112638090789331485286789472929437875034116392289679774753380359406270635801571682285670752985173802770177567169570368995313820779945020783124546124352432588015432384513870545208749064343976157622102843604350306499370664277319021570112390363971260247886969963170224830473157452002273352181287254700332210206710215058422119186205229904572985557496672128121144873016826064770063001977931061660395516518355323017442107630539057646863429677768349990200588447936977381183980954779526092867968437231558135450876240818507542358872579565607808517259109964151151422293056288318861061800104432385699562451627959552154578113

Factorizations

Primary (ID: 161352) 25250715604291014034039 (proven prime)
(ID: 163258) 2229226343387820592392818960713730075388623282313725154763521390704091844617155768231471592583116576772440481801503860529882119169255774020697108907519689946843610040321834843867893666378470956621421186480591841735415031908287938397002271160392599946434014680429950913001851629006003799946930102164241940970963558364713565251311829081120843222751246409283245659025774631507454503720536964977477286845644040754869542664208756591399789921088290805442809364492600961486312772377132739349564075490345797805986778302238188323530008557785162156557866241076536543455746295284674156745879552212418505513321631652984686464629559765880763582277240342320497652717661677729410728828681216291501740011255710329463099758856289230771183281486453480521748756350064595825916227727034535452294856550194148495345270015298484992943879492877150388650702403225914658108431669960158662862612357258313903723974478503650905080086937615631494338817472314727273258901118608583088283765757579430170456057473545678432076170750332970936740507567575012740107798109078664001000674346518463681113708318885569387204972593842734778555343820175717862942833648866569822013075140958126596847585146617308636621851071302220114428121596644279495014750745504521549325177656425751787993978514418054445903631536045554210152171231751382802567 (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.