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A nonzero multiple of a number is a multiple which is not equal to 0.
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The Least Common Multiple (LCM) of x and 2x is the smallest multiple that is divisible by both x and 2x. Since 2x is a multiple of x, the LCM is simply 2x. This is because any multiple of x will also be a multiple of 2x, making 2x the smallest common multiple of x and 2x.
All nonzero numbers have multiples. Any two numbers will have an infinite number of multiples in common. The smallest of these is known as the least common multiple, or LCM.
The least common multiple is the smallest number that is multiple of two or more numbers. 10: 10, 20, 30 15: 15, 30 The LCM for 10 and 15 is 30.