2
lcm(2, 7) = 14 5th multiple is 5 x 14 = 70
The LCM is: 56
Since 4 is a multiple of 2, it is automatically the LCM.
The LCM is: 6
78
42
60
10
Let's look at the 2 and 7 times tables... 2, 4, 6, 8, 10, 12, 14, 16... 7, 14, 21, 28... 14 is the first number to be in both times tables. Therefore, the lowest common multiple (LCM) of 2 and 7 is 14
The LCM of 4 and 7 is 28
The LCM of 4 and 7 is 28.