The definition of least common multiple is the lowest number that is the product of all of the numbers in a set when multiplied by an integer. In this case, the least common multiple is 28; this is because 7*4= 28, 4*7=28, and 14*2=28. There is not a lower number into which these three numbers can all be evenly multiplied into.
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Tthe least common multiple of the numbers 7, 4 and 14 is 28.
The LCM of 13, 14, and 15 is 2730.2730
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