Factor Info

ID 159639
Size 659 digits / 2188 bits
Status composite
Value 43071572641426905901623075943217015055514782268436393912834259517670686935654702466449220999586973864890715961289527735624715285885284972883335919359349243147314689334588677619760378543760326571705475723769642641973114091022202134439487489328488957279579819150457413460123363021117698348316232596478877353221671349077966229327420974098098781623203262582628071299045471861382058268444448707695001342065346012140074898056632622907885238506416039566876621460797963477277240524825434748964623682516584050799298212440688272166921489338877793878754316753356806588109194194372127138562895585903454149913368254240709649751780098887468572568828840128115916734277818891

Factorizations

Primary (ID: 158776) 18610345022908326918950809 (proven prime)
(ID: 193080) 2314388722423368961231811712765451867732835654772444719602636020280769890998779705744886052463219931450232934318925315419681255762755463925278687104284192195534867995880484386770393168484210162969819422009944370956064100872120763999423533737157973771492940141278105048080516255950904176581313736035421128891870869055478045153016195445354098378001847730013952936774685178912833110053475438351002176569021068137334512038095260847695281464395066725692207905245014315441857912409214942223712742052089706781203407882890604387776585235113223505515412675766891371218776776629656807635070778872962696060280301600196830198497315674092859903299 (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.