Factor Info

ID 187228
Size 538 digits / 1786 bits
Status composite
Value 2789210422013200786172549945625067716100370567073048905633152736518215774717795506527798475406402171711878677258248587088235759384747020088985921652998227721481359175399508212809893264022997366612057401545581149709690245140222525991167019369003897771883934001673768995519817181762489225894023983455183640223247571770990317300148751828706101464632866437399162695941353135078469706375069910854358662276350664139283598429696361835458723432830896992749497751991333927714699160586821804516650810757213044405522200729895743866355268367164143721

Factorizations

Primary (ID: 186372) 16806388163426830880128170113812981259408407618730161 (proven prime)
(ID: 187229) 165961323449789904059187842247699990227082918853583505447903593838395122453457674427840223306737051492682327256898006655675325411581245701116474562020051973955198803390830109439743438173475815087730956912293540772490038818977335013504383504929663622084392551312370144873107173668439661901480186451203338375880996728995470408494343673021428026317422099292018530524300261495835047944833796413727920023497916325470793865619145282320453801414494735394940370562674628089176625544846507419961 (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.