Factor Info

ID 142605
Size 801 digits / 2660 bits
Status composite
Value 431165636064862536844577717434939371466867159467950286876658103487013474137956534713284956069411875175092273352325106844903274725722850713227686465438384458075287580190695964535118686280634481062993605751758438555056958712330382947632757832750290078626814383427597454559539950242399195671387010663676453225600906638984090256486310045948310528652849272778231683917454186199169818673979867605704145873138575239886980257653970559334799734754024902705316094173572210130186846897465525471513334719757895113001689116260358451029773082041650798973997698853842526840449157251336825832176612594509001642099174730886738704282872336596399853812144071061702822764102267223205115950332908820303738978526991200235654108813064855222382233731387725439782045077059609144602792842082373980914270973881693317659079259537

Factorizations

Primary (ID: 29911) 1554246690784409607115661081503201 (proven prime)
(ID: 178252) 277411326413864473009007259186388747998443350639735920351223719181096138617748229466029876696032208176188939057674982604679271955814354335119554439655150030845864810851547920816996835487091365584966818640039386369431526560950661550384780218910341979721639667121816760945919676453098385958895613642157085465175402396429085089174518846063400697129839370293795368139423590355230081341783674562822717498113602652848178958324038033221753624416229260948916607247118133697712940826181947730380303934639649918915756457349761823790256184917853215313133517973755878147526529765190633104987019951131967012109070210857090385273796434057310011659909402053296018104494829985044094472963363490202676999148519793484786099512369868976166111213940981143347676062907007652387585826121137 (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.