Factor Info

ID 128782
Size 810 digits / 2688 bits
Status composite
Value 143385313915369339493321174787274113799238923407271550456669990907823804276834552917473757373157344951740074142218711671750739826962363899347400407971674983674687772497026844676499671169828944821935181370484378806944003977359154321884294542333268795090862420888950490462324558739081856434920262757764920422766529767858119734136804059721348792381247422084039451564839100968309531445765286946731316662279189400489500523543057195864742081929939891108489572870579359172149238272329082154752947560543340263156719700289124931869374179430794401365595337690010746886328093643717261704256406454618996779659664170959585415025597079986836513916058269731163802362283549689322640586304945257218276974884101595954310375906738091069718854953329997162779917197463563359748229381103819858249714415553222729217519752359174885877

Factorizations

Primary (ID: 128783) 274850633921559105653628330895975724022898201 (proven prime)
(ID: 128784) 521684494117960585743340412171186525352949237945664966920829584655677830825371995228459973363937424148102229951735270452197907352609756195282178710759262147177393465700509302848988320843558063836083508969531475658465058339590976285923099326793577324073143982856093351607603123319166796704896136452429729400006241111048174464650745942783948519127749971510664350522709067972629999316555463052689126342508072349317499428314854848380966595832435962944994453076088121466586812118157836432280845848415952730696096376324337156858497865420046060746626358068690238143077893615983830086905389700134870202410178073533790520179576676320221053031558846332742209310100604342799717576026373882848368773729333599482403405436620071863828206947821283257565432794813791905853611644477 (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.