Factor Info

ID 21391
Size 532 digits / 1766 bits
Status composite
Value 3280267113786454673475568746785288221095372279750185970358381139645210263693788400404604429970069601933391914757335266550579671903045431079048467309616345969320998523040271873161258212954289789059143206764241693581397271749404893561779593842589405450916682174547640388468362886703695268995671129324854293587339919019190744235904043245372543702543923288143529905321919827544230803553983714882499208835429364451858244091877373513358565610809912759783739689058249563495865675904777855564160423215048950707168454368160662421293041821151

Factorizations

Primary (ID: 21392) 18570424577878762265812169 (proven prime)
(ID: 21393) 176639316997304143383856666327043776330916711020403472548824570077120094781377427361258223526707082911226687159402620705789829804661056596258100156154206903181012231834589561574565698265068842859013287030367038913476256302090318757213144976136880545011042766890164239956947407602327909985274065647901620547208081521870582045617758800074473919539371599528938360528945978992228686816399269978069773178894944311661082977434355204677878358754595260949377118252450820001043128910987373340022422830783214959954279 (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.