Is 9991 Divisible By 8?

Here we will use a Divisible by 8 rule to find out if 9991 is divisible by 8.
Even Rule: If the hundreds digit in 9991 is EVEN, and the last two digits in 9991 are divisible by 8, then 9991 is divisible by 8.
Odd Rule: If the hundreds digit in 9991 is ODD, and the last two digits in 9991 plus 4 is divisible by 8, then 9991 is divisible by 8.
The hundreds digit in 9991 is 9, which is odd, and the last two digits are 91.
Thus, we use the Odd Rule above:
91 + 4 = 95. 95 is not divisible by 8, therefore 9991 is not divisible by 8.
The answer to "Is 9991 Divisible By 8?" is no.
9991 divided by 8 is 1248.875.
Is 9992 Divisible by 8?
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