What is the smallest five digit number that is divisible by 16, 36, 40, and 54?	Choose the correct option:
A) 10200
B) 10500
C) 10800
D) 11000
E) 11400
16 = 2^4   36 = 2^2 * 3^2   40 = 2^3 * 5   54 = 2 * 3^3   L10800M = 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>C</result>
What is the smallest five digit number that is divisible by 16, 36, 40, and 54?