What is the smallest five digit number that is divisible by 15, 32, 45, and 54?
Choose the correct answer:
A) 11260	B) 11860	C) 12360	D) 12960	E) 13560
15 = 3 * 5   32 = 2^5   45 = 3^2 * 5   54 = 2 * 3^3   LCM = 2^5 * 3^3 * 5 = 4320   The smallest five-digit number that is a multiple of 4320 is 3*4320 = 12,960   The answer is 12960.
<result>D</result>
What is the smallest five digit number that is divisible by 15, 32, 45, and 54?