Given Number: 123
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 123: 1+2+3 = 6
6 is divisible by 3, 6 ÷ 3 = 2
Therefore, 123 is divisible by 3
Note: 123 ÷ 3 = 41
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 123: 1+2+3 = 6
6 is divisible by 3, 6 ÷ 3 = 2
Therefore, 123 is divisible by 3
Note: 123 ÷ 3 = 41