Factor Info

ID 216446
Size 821 digits / 2727 bits
Status composite
Value 78263617337920102404721999719814249624930403891265649812954678301448778991754182042564122543513760100855896442611899580344387207364729295832063761504040230393743858324176372790127379998275760944503119699714505850383568299319246226383284293806065596678919148738319297905629787312898491291789231527783005373157632428061489882981308934273536699865263949221885465384272813728784519819539785751030600534533553786239607751187794096552476513647348695661803146473155960506593010219261045926517656584262766895792807753546847682740177275404178526029448434831584398944825694005627094178015972724943758050454600108234162398230526698837183370383342660999365686767353424413203364383028076863802900097475686405025043448383579869984113407068400317149311375709528585584314321393705732356931422355889949716800651408666732554791831236841903

Factorizations

Primary (ID: 216447) 17179797673444754542072515842479 (proven prime)
(ID: 216448) 4555561062217522189477537381104354203193043453450789384844771440001500727618727722110204488352726672175477434851246041949016126922118839913613448733877572746719148614798462987064702553272970134224855692324282928927708321541097963689967030600935409370653234071316708555595971296923399177615132676709778142866558535583650768560740029486559124590058549118921041026116266147935792828046069520510512828687035162863256937847994008460744660020872240725811908086929409875046546445305173566246511151782153227106306040446312831897887132611060507419228403668448326350014474994860205772014602401813075189732194489759609703339569995721406387405446973654568797909084186351554601078156493947708174924958889836501751748796796897400563458758882464047014946043786534015286049104479453903701703633652117651457 (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.