Factor Info

ID 165123
Size 724 digits / 2404 bits
Status composite
Value 4223861881119151718351588231932327366857263972740792111269838308168344895592852080882930440857403408375350401267813653388285669972153579815263783671660639677637660636430342384425488767907015962618786509787516571162627615766910669967103732870042457317101999538923465127344970047930285460956033863926921012503093858711952433134932650829406209754096778518596261592632897041021997389122534801831369239390352051757210077539989818738015312835959460737530794532953286431930552877852845859175715551278864712964926638206876836028917662603326498100013398098444791755486626627861190698914817869192013544539772183100707999677316956861912547930279443980515787554807530585404295638837065675790847748962256950367407901568432660815157383941

Factorizations

Primary (ID: 163520) 3900350408237898825485900551 (proven prime)
(ID: 165124) 1082944207319928718405399642159770615352908197877531038136489152974979209746104735072007891458058857498311470468348730689476883067962214016173531049656658286376377116532938478094919208054857523559504424889601288863231806604148284782620771473210287238748884519207190863757012949738441262337416148352712067921224558290838668157203604241394208063577833835073770869492218882453235668155402993661608853813323684731404869709169404987108508653720064103976343848555513952346866008644994457573131360295700601178702393621350104223237840780524501294195216964090177477012941547897555707284013342886008620192765979455380815344038443976800664229672131603911825592216857705910434249048811447689779512663781343891 (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.