Finding a number can be divided by three : divisibility rule of 3
The divisibility rule for number 3 helps in finding whether a number is exactly divisible by 3.
The rules are illustrated with clear examples for easier understanding.
Divisbility Rule of 3 :
The sum of the digits is divisible by 3.
Example :
i) 123
ii) 5691
Explanation :
i) 123
Sum of the digit is, 1 + 2 + 3 = 6
Divisible by 3, = 6/3 = 2
ii) 5691
Sum of the digit is, 5 + 6 + 9 + 1 = 21
Divisible by 3, = 21/3 = 7.
Both the numbers can be divided by 3.
Finding a number can be divided by three is made easier with the divisibility rule of 3.
