Factor Info

ID 140278
Size 721 digits / 2393 bits
Status composite
Value 1620379485916052981211832225460117740008330965103981925183606740965788408930950914309027702431397037346057189546865144468130461185471895516045109733422538610061163007386661543645533525833364818557324180483185106747605308193152609026158297426696152767651064457802491793108634205619457447343931510407057246387651164221166563507164296623784508164730698233389911571231936927262765945075852699158337244143921359878620414098685285091247834116630550030771674340205969601433948235985095823217803491391938930249399355590348359390447572526614680182294151268347618791145059224534003396148195204279253624701942291242748856264934364071352277098224488498196692750010170723711337761795717536110891939035237908330113358906523482358510629

Factorizations

Primary (ID: 138943) 64028968783966682466661 (proven prime)
(ID: 140279) 25306974588068139254344349827336867085725725656826539651040150146697260988945479344747694063532725667355834788894775549469758877146252248959329752336342809327287005617281602050322484948240920723326458673531095987382808232868032330214583106840207876450768723076547974051655867620664387157085812090181068944607878244854714042381152967158223250382736495277530180423019415266217737741022513516605582699180527294345591891436547922012812833600254521543136115981248574916995159458989469153290682087111084600899774023350063252845470103354790239457275877590152637518429499028688002822685044243500115023951840322974858712015103120736036355283262285120774199504455405719670203146697322255476869180264803709889 (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.