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The LCM is: 6
lcm(2, 7) = 14 5th multiple is 5 x 14 = 70
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 is: 52
The LCM of 4 and 6 is 1212