Factor Info

ID 157042
Size 1155 digits / 3836 bits
Status composite
Value 488561982547682730483240350458184821177512597566077791763046991611128259455293982729919406703177348760215935912560045784213794546272005783543334659357272253810818377476057726712963903872687534111098438552153402388822777036179155960857421336670216641410195804076881827041797647872478323925717091481073844929848733748905302401817530020724532163168640351703661695678535267577196670110836201765526394504818940691344578826650094195210572171967556557148515145310953209402225898156834513008651282798718864070515233638319505004293719865809519972086840857531042333004806530544991942600257887149152735795434196607310738495242193514773202933147850645970082637401173001402227419055782523684518314330110961074969994598503874114149857469364492207580926597206942101904415801494246593838796067691000190667802623800643545640770007415801744042175015770099300788919076206106685651207001679790472205881894930561346589091022774628106128564022559428331585185844176572837601757964676619620565892285059685972956080192241370699367201806196635681046367095563509829042155456327599113875255987602703809619526980378987130835294020658111896688831690192805941433693803117981694984342553

Factorizations

Primary (ID: 154878) 657178775852071573297 (proven prime)
(ID: 157043) 743423251784467492440968397718956190626917873569459139140195466164570936954471321990217395131340539182199691003269059220348482627407755210294697093013115967951156530287519940521757046076319407610286318474849867093354396992010775975961906425317135935576632941738089702402738459462362343717524888890993366457620148274220260670159734123470551720547989538048799532521418401468479525105755397614954899523945395281942679210914312662327597673742143764853953784642977848288779937426150156071827344948617430504204056200148574282704301659155368189638563479203059921552166871870552602411776183561851775306731239320673003556661911178391011775846458238218264219591282134354752647832730600765989397700615607446215863828489248930367706051699868900038944931388140874824478146170620865082261993901221234962801145420778798572630909208835399938336521917544710377479600626827060243361087054426538745333786219304874762271591413215988869234432114981359544135207266810351318235561362987336085645309980230679458136457965321640494209948448339929500858922149223251060759167381455412928275886827372020517339722380504010826437244680354736673904427067058048883049 (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.