Is 644 Divisible By 8?

Here we will use a Divisible by 8 rule to find out if 644 is divisible by 8.
Even Rule: If the hundreds digit in 644 is EVEN, and the last two digits in 644 are divisible by 8, then 644 is divisible by 8.
Odd Rule: If the hundreds digit in 644 is ODD, and the last two digits in 644 plus 4 is divisible by 8, then 644 is divisible by 8.
The hundreds digit in 644 is 6, which is even, and the last two digits are 44.
Thus, we use the Even Rule above:
44 is not divisible by 8, therefore 644 is not divisible by 8.
The answer to "Is 644 Divisible By 8?" is no.
644 divided by 8 is 80.5.
Is 645 Divisible by 8?
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