The LCM of 7 and 21 is 21. Since 7 is a factor of 21, the LCM is automatically 21.
21 is.
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The Least Common Multiple (LCM) of (3,7) is 21.
The common multiples of 7, 14, and 21 are the infinite set of multiples of their least common multiple, which is 42. So the common multiplesof 7, 14, and 21 are 42, 84, 126, 168, and so on.Any multiple of 42.
The (LCM) Least Common Multiple of 7 and 3 is 21 because that is the LEAST number that both 3 and 7 go into.
The Least Common Multiple (LCM) for 7 12 18 is 252.
The least common multiple of 5 , 7 , 2 = 70