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The LCM is: 112
The Least Common Multiple (LCM) for 4 7 2 is 28.
A common multiple is a multiple that two or more given numbers have in common. 16 is not a common multiple of 7 and 8. 16 is a common multiple of 4 and 8. So, it depends on the numbers for which you are trying to find a common multiple.
The least common multiple of 28 and 35 is 140.
The least common multiple of 28 , 126 = 252