The answer is 42.
6 x 7 equals 42.
21 x 2 equals 42.
The LCM is: 30
6
18
The LCM of 3, 6, 11 is 66.
The LCM is 24.
The LCM is 12.
The LCM of 6 15 and 20 is 30.
The LCM is 21.
The LCM is 21.
The Least Common Multiple (LCM) for 3 21 is 21.
The LCM of 3 and 21 is 21
The LCM of 21 and 18 is 126.