Factor Info

ID 51889
Size 680 digits / 2257 bits
Status composite
Value 20020577504697708037608008168681123288185486706782727153895518645491204176939380688305639963960027952628703971691761818263594925886324144440660624189340499464963587582270589773107560722120995155304669740590079265405516729215609357731084587287442039343319597657643357239828818767733741465129808439797119374969300344751308947421754455003230178221762974666658722389298659154204487529279130998977918022948685419105244155036553207107023832181806713732259045465076159457617569063679761117552678384577528162526723015042474789487346260581937337400964106977648903234717586316829651225444924379328498691387812083294926331430071368304973913876767052148910356948853599189675482586375925436861

Factorizations

Primary (ID: 50328) 20288347913774902979279 (proven prime)
(ID: 51890) 986801763740684350266819085678651374382836422486120996469551696872996754303194287661523775781907305703961032657826868155882430621572953127558667916143452166798586778467492107174921075221987753090414255675124779157101657117895381649440247328287032738540920348465309158282887922477166553414388171711062370859758840454082892740583849441547436658234789491121392931110235119183938056428050852690837952128706613830321799643643813077973379532718651028039631485244943159942153288919280665959004512186684935047340776339129798074247652970437167318686203954951152051545110246216133701038209968015220377187922611044700245331141095438802891801756288891697138575287348659 (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.