Is 420 Divisible By 8?

Here we will use a Divisible by 8 rule to find out if 420 is divisible by 8.
Even Rule: If the hundreds digit in 420 is EVEN, and the last two digits in 420 are divisible by 8, then 420 is divisible by 8.
Odd Rule: If the hundreds digit in 420 is ODD, and the last two digits in 420 plus 4 is divisible by 8, then 420 is divisible by 8.
The hundreds digit in 420 is 4, which is even, and the last two digits are 20.
Thus, we use the Even Rule above:
20 is not divisible by 8, therefore 420 is not divisible by 8.
The answer to "Is 420 Divisible By 8?" is no.
420 divided by 8 is 52.5.
Is 421 Divisible by 8?
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