Smallest number 2 Solution

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What is the smallest number which is a multiple of 2, 3, 4, and 8?

Solution:

Because 8 is a multiple of both 2 and 4, any number which is a multiple of 8 is also a multiple of 2 and 4.

The smallest number which is a multiple of 3 and 8 (and also 2 and 4) is 24.