Factor Info

ID 203944
Size 639 digits / 2122 bits
Status composite
Value 397157740004947455883491554219681276464245799741425502849912738719224584562253179891516208327652211249694062769637653066825131821048267190138763990107348655861028089879167529509889835117187491331220942431775624106829137320019591076142346510100033665852035189406346367349629017365953891989027419067151600590037430509030351037919305138182452019332693287168869696452981322582310437577580948139927205451473407373041908958157233883572932748537841361425396453670419120672906025588949293992139243827614364957114126242399534606516086612704113520006536115370568869999464437733000970758818385450412147578113915367264974420891121553722769021987915039

Factorizations

Primary (ID: 203945) 21467498060213999713 (proven prime)
(ID: 203946) 18500420444476722184829870353180176379381866046804170732436633168387026525881613404093823683671462735714613916117644257929428683298330829226540677711085673616128430143056194285182353504183161786141612513093607874846590133692919074543679273914207620301997426710810004130811000640865157408782803416728118571425281113346255072572666909234932388255765875052685633203989339836345765967547663411975025382510278013180684281556486011401378626644181544065746031800058428268319808505728485808452817394067620055988128858264586753592115958452393542959286237989031333089821741216161624514775874485051023508930922597973091608985554303 (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.