If the number 42573 * is exactly divisible by 72, then the minimum value of * is:	Choose the correct choice from the following answers:
A) 4  B) 5  C) 2  D) 6  E) 1
  If the number 42573 * is exactly divisible by 72, then the minimum value of * is:   A.	4   B.	5   C.	6   D.	7   E.	8   Answer: Option C   Explanation:   72 = 9 x8, where 9 and 8 are co-prime.   The minimum value of x for which 73x for which 73x is divisible by 8 is, x = 6.   Sum of digits in 425736 = (4 + 2 + 5 + 7 + 3 + 6)= 
<gadget id="calculator">(4 + 2 + 5 + 7 + 3 + 6)</gadget>
<output>27</output>
27, which is divisible by 9.   Required value of * is 6.   ANSWER 6
<result>D</result>
If the number 42573 * is exactly divisible by 72, then the minimum value of * is: