Is 21 Divisible By 8?
Here we will use a Divisible by 8 rule to find out if 21 is divisible by 8.
Even Rule: If the hundreds digit in 21 is EVEN, and the last two digits in 21 are divisible by 8, then 21 is divisible by 8.
Odd Rule: If the hundreds digit in 21 is ODD, and the last two digits in 21 plus 4 is divisible by 8, then 21 is divisible by 8.
The hundreds digit in 21 is 0, which is even, and the last two digits are 21.
Thus, we use the Even Rule above:
21 is not divisible by 8, therefore 21 is not divisible by 8.
The answer to "Is 21 Divisible By 8?" is no.
21 divided by 8 is 2.625.
Is 22 Divisible by 8?
Here is our next calculation. Try to figure out the answer before you check it.