The Least Common Multiple of 21 and 30 is 210.
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Since the lowest common multiple of 3 and 5 is 15, the common multiples of 3 and 5 are the multiples of 15: 30, 45, 60, 75, 90, etc...
The first five common multiples are the first five multiples of the lowest common multiple. lcm(5, 6): 5 = 5 6 = 2 x 3 → lcm = 2 x 3 x 5 = 30 → first 5 common multiples of 5 and 6 are: 30 x 1 = 30 30 x 2 = 60 30 x 3 = 90 30 x 4 = 120 30 x 5 = 150
There is an infinite number of common multiples for 30 40 and 50. A common multiple of any two or more numbers is any number into which each of two or more numbers can be divided evenly (zero remainder). However, the least or lowest common multiple (LCM) of 30 40 and 50 is 600.
the lowest common multiple of 28 and 30 is 420.
The lowest common denominator of 30 and 42 is 210.