Test 153 for Divisibility by 3

Given Number: 153
Test a Number for Divisibility by Three (3):
• A Number is divisible by 3 if the Sum of the Digits in the Number is divisible by 3
Sum of the Digits in 153: 1+5+3 = 9
9 is divisible by 3, 9 ÷ 3 = 3
Therefore, 153 is divisible by 3
Note: 153 ÷ 3 = 51