Is 642 Divisible By 8?

Here we will use a Divisible by 8 rule to find out if 642 is divisible by 8.
Even Rule: If the hundreds digit in 642 is EVEN, and the last two digits in 642 are divisible by 8, then 642 is divisible by 8.
Odd Rule: If the hundreds digit in 642 is ODD, and the last two digits in 642 plus 4 is divisible by 8, then 642 is divisible by 8.
The hundreds digit in 642 is 6, which is even, and the last two digits are 42.
Thus, we use the Even Rule above:
42 is not divisible by 8, therefore 642 is not divisible by 8.
The answer to "Is 642 Divisible By 8?" is no.
642 divided by 8 is 80.25.
Is 643 Divisible by 8?
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