Factor Info

ID 161944
Size 640 digits / 2126 bits
Status composite
Value 8108424795357874558718025370125730470210506024461473723614567006769542249023954753759163681006856503521978191994888277300569584534975872991923441480663860846265056876767956229656948542054992865357292488436032910135309686500749600917245408913591946415671300178986913326980574883862628784870975321554143479183162307630485881450107051393870154878439998977537373507714615422867250156326720658859379323354550096467699590825194474210157291019730576280969432491528153030798876728646365485273422682007683507164559418682903372999208660410345747833912552926045567905953154057353409018366048068120137704543279424720360115862214878867018328519012127557

Factorizations

Primary (ID: 161945) 1075273578995652878537 (proven prime)
(ID: 161946) 7540801665499357851781033834233106712619812215061477561194396582249049482431283138200859442264376008450675295781192515710184561199708024245619383215771655494913969052779021767319739944410791385076168663635427259784653631807440462998762506405254587074444667788528852266284498191640353062394030782308075616317190681963557568338182370128736471727289450461661502575271571328502848833694434908719148319118049818617200524018835362446020276705862457729718555764356731039432964849717006602020630557019796437709899148459559628178163052825765878907329724854754084812203071993297307007431496634543685243907138302386638690724706461 (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.