Is 9990 Divisible By 8?

Here we will use a Divisible by 8 rule to find out if 9990 is divisible by 8.
Even Rule: If the hundreds digit in 9990 is EVEN, and the last two digits in 9990 are divisible by 8, then 9990 is divisible by 8.
Odd Rule: If the hundreds digit in 9990 is ODD, and the last two digits in 9990 plus 4 is divisible by 8, then 9990 is divisible by 8.
The hundreds digit in 9990 is 9, which is odd, and the last two digits are 90.
Thus, we use the Odd Rule above:
90 + 4 = 94. 94 is not divisible by 8, therefore 9990 is not divisible by 8.
The answer to "Is 9990 Divisible By 8?" is no.
9990 divided by 8 is 1248.75.
Is 9991 Divisible by 8?
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