For some integer p, p^2 - 5 is divisible by all of the following EXCEPT
Options:
(A) 30
(B) 38
(C) 41
(D) 29
(E) 31 Stream of consciousness:
Hint: p^2-5 (p is an integer) is never multiple of 3 (try to prove this), hence 30 is out.
Thus, the answer is (A).