what is the least value of x , so that 2 x 4472 is divisible by 9
"explanation : the sum of the digits of the number is divisible by 9 . then the number is divisible by 9 . 2 + x + 4 + 4 + 7 + 2 = 19 + x least value of x may be ' 8 ' , so that the total 19 + 8 = 27 is divisible by 9 . answer : option b"
divide(divide(divide(lcm(2, 4472), 4472), const_4), const_4)