Is 8191 Divisible By 8?

Here we will use a Divisible by 8 rule to find out if 8191 is divisible by 8.
Even Rule: If the hundreds digit in 8191 is EVEN, and the last two digits in 8191 are divisible by 8, then 8191 is divisible by 8.
Odd Rule: If the hundreds digit in 8191 is ODD, and the last two digits in 8191 plus 4 is divisible by 8, then 8191 is divisible by 8.
The hundreds digit in 8191 is 1, 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 8191 is not divisible by 8.
The answer to "Is 8191 Divisible By 8?" is no.
8191 divided by 8 is 1023.875.
Is 8192 Divisible by 8?
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