Test 15 for Divisibility by 3

Given Number: 15
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 15: 1+5 = 6
6 is divisible by 3, 6 ÷ 3 = 2
Therefore, 15 is divisible by 3
Note: 15 ÷ 3 = 5