It's possible to start the list (30, 60, 90) It is not possible to finish it.
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Example: 30 and 42 List the multiples. 30, 60, 90, 120, 150, 180, 210 42, 84, 126, 168, 210 Once you hit the same number, you've found the LCM.
Common denominators. These are called "common multiples". For example, multiples of 4 are: 4,8,12,16,20,24 ... . Multiples of 6 are: 6,12,18,24,30,36 ... . The numbers on both lists are the common multiples and they include: 12,24,36, ... . Specifically, the smallest number in any such list of common multiples (12 in this example) is known as the Least (or Lowest) Common Multiple or LCM.
Let's see . . .(100 numbers) x (30 multiples for each number) = an answer with 3,000 parts to it
Least common multiples do not use zero as a multiple, as the LCM for any number and zero is zero.
To find the common multiples of 6, 10, and 15, we first need to list the multiples of each number. The multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, etc. The multiples of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, etc. The multiples of 15 are 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, etc. The first three common multiples of 6, 10, and 15 are 30, 60, and 90.