Question

What is divisibility rule in Math?

Answer 1

Divisibility rule in Math:

A divisibility rule identifies whether the given integer is divisible by the divisor or not without performing the complete division process by examining the digits of the integers. There are different divisibility rules set for each divisor.

For example, A number is divisible by $2$ if the last digit of a number is an even number and a number is divisible by $3$ if the sum of digit is divisible by $3$.