A number is a multiple of 100 if it ends in 00
It also works if the number is a multiple of 4 and 25 at the same time because 100 = 2^2 x 5^2 = 4 x 25
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By tautology. If it did not work, it would not be a divisibility rule!
What is the divisblity rule by 8
There is no easy rule for divisibility by 34.
Able to Be Divided
Division by zero is undefined.