Factor Info

ID 131585
Size 911 digits / 3024 bits
Status composite
Value 15885166248679261626966145020610184121872719036881766895818072133954180561113842575695087500820141861320951478555257018228446711400289241514202474325884434962056648908136038785313667993354285784727422939489634136248678241366877389358180237971146018003788649307754000669946758597911182914524579058242579913826676032606970273306197805914026640910652476828758701654437119718379600419591369212020237333347674914961958939601795868972532291218575340398484858038154554286898443940327107336794736232718293160854560797831387756161351034694584547569234236901658840507936461252141629475062283083988417127505238074126549198233530854838618059832899939606261576327987751072942499037064474839833740315676481205088385384252279234343296697660313123642475660699749686037232449537886052455863577033734996094436563454046672545834579067316038828955723308562661388298630607905946169840345724430888374698083507652137105958761225716021

Factorizations

Primary (ID: 9540) 40403554071088151520608002852733631820943995131673257705056154379655473264829041021 (proven prime)
(ID: 131586) 393162597050993567436403370642855721933226306561088773699410092954884532279195506779234191282924461465076007067484127237642069704676475568679706088709903818654198241770303598741385896701579854657822136190339993384150206914103661503167431245595561635175705049308849433966266303791359826272621973103714527078002849137794513542911188792771719821100657289811241409059625134904224980070641107681027131044282368756073516186005926962637635611068366196080059158407906508276519690208221564866309792579427104808323517415864630841696066412900000842712043116363052747131356250222066227098295420905335188269112344445606050818353950052611073650561605939068394542710439846425427038292879857731967176404952741934276064744264004836932892656401406780232996853147135942014958989770502826338130417267086181242676747659233491556156073634335058175001 (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.