"If n is a positive integer and n2 is divisible by 72, thenthe largest positive integerthat must divide n is(A) 6(8) 12(C) 24(0) 36(E) 48If we are looking for largest positive integer that must divide n, why can it not be 48.because if n2 = 72 * 32 then n will be 48 , so does this not mean n is divisible by 48.Please explain.Thanks Bunuel Math Expert Joined: 02 Sep 2009 Posts: 27073 Followers: 4185" . . . . .