A number is divisible by 55 if it is divisible by both 5 and 11.
5- If the last digit is 0 or 5
11- Alternately add and subtract all digits of a number starting with subtraction. Repeat this process for larger numbers.
Ex: 568,370, 18,832,055
Non Ex: 572, 4815
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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.