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No.

6 is not divisible by 4. Neither is 10, 14, 18, etc.

On the other hand, if a number is divisible by 4, then it is an even number.

The proof is easy. Suppose the number is N = a*4 where a can be even or odd.

Then N = a * 2 * 2 = (a*2) * 2. All numbers (even or odd) when multiplied by 2 give an even number, and so N is necessarily even.

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15y ago

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