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Any number that is divisible by 4 is also divisible 8 counter example

User Wdscxsj
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The simplest example would be 4. 4 is divisible by 4, but not by 8, since
\frac44=1\in\mathbb Z, but
\frac48=\frac12\\ot\in\mathbb Z. (The quotient needs to be an integer)
User Bkowalikpl
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