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Anonymous
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
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lcm(2, 7) = 14 5th multiple is 5 x 14 = 70
The LCM is: 6
2
The LCM is: 7
The LCM is: 63