Given Number: 171
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 171: 1+7+1 = 9
9 is divisible by 3, 9 ÷ 3 = 3
Therefore, 171 is divisible by 3
Note: 171 ÷ 3 = 57
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 171: 1+7+1 = 9
9 is divisible by 3, 9 ÷ 3 = 3
Therefore, 171 is divisible by 3
Note: 171 ÷ 3 = 57