The least common multiple (LCM) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question!
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The LCM is: 630
Least Common Multiple (LCM) for 200 30 is 600
You need at least two numbers to find an LCM. If that's 5 and 30, the LCM is 30.
Any set of numbers has an infinite number of multiples. 3 and 5 have 15, 30, 45, 60 and on and on. The smallest of these, 15, is the Least Common Multiple, or LCM.
Example: 30 and 42. Factor them. 2 x 3 x 5 = 30 2 x 3 x 7 = 42 The LCM is the combination of factors, eliminating duplicates. 2 x 3 x 5 x 7 = 210, the LCM