## Divisibility rules or Divisibility tests

A number is said to be divisible by another number if the remainder is zero. Divisibility rules or divisibility tests are a set of general rules that are often used to determine whether or not a number is completely divisible by another number. In this article, some divisibility tests are given with many examples . Divisibility by powers of 2 and 5 Let any integer , then is divisible by if the integer made up of the last digits of are divisible by . Suppose we have to determine whether an integer is divisible by 2, we only …