Factor Info

ID 53161
Size 399 digits / 1324 bits
Status composite
Value 313043160135013444566728637178075826425175596559343835939009428146931584034612341958834712311325772753807775089740432442217617792359090092276022206465729229867053513850058118112670599436456288494284123486499299280420792460649340048211731912325971013753287348688021478660838151416897116764489114352297774324197813225628313654021228880877728563125662009510293429514845282798076649892945037947850293849

Factorizations

Primary (ID: 76522) 28507326839627578413926541831734308884929877181 (proven prime)
(ID: 76523) 10981147474685601244755560483971252998888760134147574255725393913112003204539374258719942768153060985097787145201846638167842731838198174996539402935141244973237205236581422214358123950972281599107494119793173292869589583820055624525292797801863929407623947698666988001316505966362957353119373330135342901774293938580323397072191927376524674717458887629 (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.