What is the highest common multiple of 8 and 12?

Answer 1

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Answer 2

To find the greatest common factor and lowest common multiple of two numbers, you first need to split those numbers up into their prime factors. In this case:

8 = 2x2x2

12 = 2x2x3

The next step is to identify any common factors. In this case the common factors are two 2s. To find the greatest common factor, you multiply these together: 2x2 = 4. A quick way to find the lowest common multiple is to multiply the two original numbers together and divide by the greatest common factor. So 8x12/4 = 24. Thus 24 is the lowest common multiple.