Factor Info

ID 21389
Size 552 digits / 1832 bits
Status composite
Value 261698944630176583760298083068308177774896827955077057723140928400342979296910712273190605905332726014181317744644757250091065590800572292167775876645062619712322304500703360106759007820477055510700647524583234471202536854110423534535995287770699201524208502517975588543282480040864032616044166019918178193398125665113964703580588497897982016454811055313423776560149376329116590399232524859946314189803707849241380013347473906142342709941519274913059529651314465912825244444721119142126709914567185961792914902593611747846612777443583676529472694259099

Factorizations

Primary (ID: 21390) 79779766571538167749 (proven prime)
(ID: 21391) 3280267113786454673475568746785288221095372279750185970358381139645210263693788400404604429970069601933391914757335266550579671903045431079048467309616345969320998523040271873161258212954289789059143206764241693581397271749404893561779593842589405450916682174547640388468362886703695268995671129324854293587339919019190744235904043245372543702543923288143529905321919827544230803553983714882499208835429364451858244091877373513358565610809912759783739689058249563495865675904777855564160423215048950707168454368160662421293041821151 (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.