If the LCM of 2, 5, 6, and a is 210, which of the following could be a?	Choose the correct choice from the following answers:
A) 5
B) 6
C) 4
D) 7
E) 12
Using elimination method, eliminate the option to arrive at   if a is replaced by 7 and the LCM is calculated you arrive at 210   7
<result>D</result>
If the LCM of 2, 5, 6, and a is 210, which of the following could be a?