If P represents the product of the first 16 positive integers, then P is NOT a multiple of	Options:
A) 99	B) 84	C) 72	D) 65	E) 51
Answer is E.   Since prime factor of 51 is 3x17. 17 is a prime number and not part of the first 15 positive integers.   A) 9 x 11   B) 12 x 7   C) 12 x 6   D) 13 x 5   51) 3 x 17
<result>E</result>
If P represents the product of the first 16 positive integers, then P is NOT a multiple of