Learn how to find the common multiples of numbers.
A multiple that is common to two or more numbers. For example, what are the common multiples of 2 and 4
Step 1 List the multiples of each number.
2 4 6 8 10 12 .......
4 8 12 16 20 .....
Now see which are common to both numbers.
4,8,12
The smallest of these common multiples would be your least common multiple.
In this example it would be 4
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