Factor Info

ID 128419
Size 545 digits / 1808 bits
Status composite
Value 15215401683925934714833870881382879094881619165999846624562935834192406768555402941329623541901747435125895809688036148182118102081386309362346018142958954785542472545782779572643090864475366712634717659439244024262966274980114522964583522751527828863116631463513163696105548306253293308946868197647439331195541450721091083735652839805698975704642569837424014751894961803423826284618581497116881358749338396240591260064873218997989493371613304775292179116370509226200817358906556419853726931057596624005735432323668197859932695072575270623499111

Factorizations

Primary (ID: 47749) 896354443844285006771044007896891 (proven prime)
(ID: 128420) 16974760139158923358856192279298999548583423816742369227415486189541765924312381588192341219508303032268205058055690140262952723602831262938525085714388878659422490119839155341831543774715690910538287816572973129932347593756549212614803134472478356072680837485062530578359952797764256583723825458628066831688209838369671514235355129509219159434480407389596199948663144397636831416284007175126603121280595829123188047334368647997049860087422641960950612427003610472200360391969851329109856898818534548416597588421 (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.