Factor Info

ID 21053
Size 342 digits / 1135 bits
Status composite
Value 393426438301927230989303291903885291967800511744087139065081701344090889880233634024969412839323015254130892214356884871143725112468220272093866568283265210308493916092765241733857546649120320904395659372186085434826761592981458436537112295704112608789502664732467158293687342892547804819679699655891331405412449557636690107920227070454838511

Factorizations

Primary (ID: 6749) 53130566763791958299 (proven prime)
(ID: 21054) 7404898202027916138850414112757253558296955052870505461288239500568695361587980817334557324047985321166107244468078475810314753275860340052719786109343440398294447552647201346944124939397720967416113429920171352749853725151935385309847311620635051721153453035518589830362763561389999396883755272541590724439193951249280189 (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.