Factor Info

ID 128131
Size 840 digits / 2788 bits
Status composite
Value 157856598196669072032493375138697121316641633578812842191449783913326646097789749503171457047920722730340247898502022804753608428825979907825240991481118446872994045300152202718351758410693907055080563320394274881167413367720086685881668052496440011054027400300189235661020331282779874837519411113516440050594965559351600514886647191698195553059008164920817926881726159283459329302506571499733645014220013185629144210658646785833835556503882473521077524088787396668783934944224714516958367895335695729881490067711853342440113472374817942089182575687282216349198916522523882102158917945366540323716185038643052929322204968674165305775529898930964871014158410150312260652875554859512147628027164413812541469733644622883043678535104334882530143359814759724984381506346227531982814711281990704443306490142316903154842408956212716225563634796907

Factorizations

Primary (ID: 209) 924503867289824805827159934087885660335843 (proven prime)
(ID: 128132) 170747363836805076839112792703829026653212953582865248350517270708945840206480564230907601070319587509190171534973046485507110426352264204158230621009184662271270967353790126643187614634124838901731410928911077377278647017259796345112607104775982609878717914417198266231850607634996890518626357810430080093140910888098474731151282323493636797205859603593451279566681080948494926379439361144088991209999067104068495836236456035993172236060967639566088409553412202311140516108929493426191494289485955757453153332693498836544201744701443329398362785458438997980749149746887923309769194698317538574633898385547574256984131745545489246454228238813354300450163789657653744635591402132959417193317751698288558487991806517555003168990454289013630573470424763525955292434738525958421389397255688398934604249 (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.