Loading ...
Sorry, an error occurred while loading the content.

19232Is there any prime?

Expand Messages
  • Sebastian Martin
    Feb 4, 2008
    • 0 Attachment

      Let C(n)=n!!+Sum[(Floor[n/i])!!,{i,1,n}]



      Which is the next prime number?

      for n>2 are all C(n) composite? or find a countraexample.

      There is some motive in order that they are composites?

      ( There is, seemingly, no pattern in the factors of the numbers C(n).)


      Sebastián Martín Ruiz

      ¿Con Mascota por primera vez? Sé un mejor Amigo. Entra en Yahoo! Respuestas http://es.answers.yahoo.com/info/welcome

      [Non-text portions of this message have been removed]