Error message

  • Notice: Trying to access array offset on value of type int in element_children() (line 6467 of /home4/mathpalo/public_html/mathage.com/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6467 of /home4/mathpalo/public_html/mathage.com/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6467 of /home4/mathpalo/public_html/mathage.com/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6467 of /home4/mathpalo/public_html/mathage.com/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6467 of /home4/mathpalo/public_html/mathage.com/includes/common.inc).
  • Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home4/mathpalo/public_html/mathage.com/includes/common.inc).
  • Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2394 of /home4/mathpalo/public_html/mathage.com/includes/menu.inc).

Prime Number

Which one of the following is a prime number? $$\pi$$ is a special number. \(\frac{-b\pm\sqrt{b^2-4ac}}{2a}\)