If n is a positive integer and n^2 is divisible by 72, then umbdude 5 20 Jul 2007, 20:08 If n is a positive integer and n^2 is divisible by 72, then Himalayan 16 08 Jan 2007, 23:21 2 If n is a positive integer and n^2 is divisible by 72, then heman 10 16 Sep 2006, 09:57 If n is a positive integer and n^2 is divisible by 72, then Matador 2 15 Apr 2006, 20:03 If n is a positive integer and n^2 is di