What is the smallest five digit number that is divisible by 15, 24, 36, and 54?  Choose the correct choice from the following answers
A) 10320 B) 10800 C) 10030 D) 10380 E) 10460
15 = 3 * 5   24 = 2^3 * 3   36 = 2^2 * 3^2   54 = 2 * 3^3   LCM = 2^3 * 3^3 * 5 = 1080   The smallest five-digit number that is a multiple of 1080 is 10*1080 = 10,800   The answer is 10800.
<result>B</result>
What is the smallest five digit number that is divisible by 15, 24, 36, and 54?