What is the smallest five digit number that is divisible by 16, 36, 45, and 54?  Choices:
A) 10200	B) 10400	C) 10600	D) 10800	E) 11200
16 = 2^4   36 = 2^2 * 3^2   45 = 3^2 * 5   54 = 2 * 3^3   LCM = 2^4 * 3^3 * 5 = 2160   The smallest five-digit number that is a multiple of 2160 is 5*2160 = 10,800   The answer is 10800.
<result>D</result>
What is the smallest five digit number that is divisible by 16, 36, 45, and 54?