Factor Info

ID 200854
Size 1371 digits / 4554 bits
Status composite
Value 420040578631091642353864726325722970114389050599707470633383558783427200092934632222065813807838842482215636939916358760816562808926766934066254060228082854763170962655336664333899165338859026313293880324206455079918321831998399725607758774088709932480347896992946908923113430351690131657172222995161673135860106660385702155503816988268834611329661067017281032258005033223027027954399059973856893595379625697167280014182077431126876213986755523125803968211910930290726141058602538989200064469188826461967253220627921407063683575713442193737655038981766457502524824380913604726561751151598197533157001750264644809703444238505922941514105020969544488715380777130178918945381514103260881443800086745994395590501540464712244885753736266586620706904325844512033769809377647476152527455374853889737682364305525193415407649314533186787758362674242938189305123250546315573114019632151962483651438185593363665790303993359212151973049397669631476376788340028603530668319150489716941066105729671895359616100659532026219033510316857919044292594835974980153474606863846563973419480052947149231804329194626054824747952190546319428319221825728456001194144105519002462052456768246623662895042427003967229186000151678514073686162858320998295340558412857207092456076819740489345334683168881239908501905631643876970129258487148955455621621388436810475929636114501255594838966735370025421739

Factorizations

Primary (ID: 215820) 1420123103459534084744265783536706791 (proven prime)
(ID: 215821) 295777582667192029770834047023099007148411523066860719125039948766491563801381079409385085541924575752799026667870165168940750051418204282447901901558097584691587213341798748707368696926253567058964421452678535822853565389846565967402757425906459411222496721178795946186578889017540656601152207988320572784055097687306604309307895863619149605081794020650248697035855684788559554684318088641324701155662448535152012855173448941466041757200796917957858957765149427461845888371765416263694344574504242157637962982651211312980583993352416971853120617088348008736270275989686117543005767831511215174916297335063668458875390395641725257679522590661090332929970144840718426063856079042760590053468665321122589428705075682322899567835150065006978904294295470803858030852530312129297704196658280392637674394546908658883577519022664456791870600929808134689313096873206063527925010522353679041247079975028275651630475832303941736079722548636383906548111029185013594696010622600749203252229438686005025614026862088509379210357836249188886366168427681822762789670765608777461232786915103141134231409695397042699279928977475354949269622453227127360799504872324247231274112119037764888383696403198369919063540755319217118235676114899354572660474839671671011075544794198534732110985829269059665592553073603707090926724969358664269505371142789954012829 (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.