Test 189 for Divisibility by 9

Given Number: 189
Test a Number for Divisibility by Nine (9):
• A Number is divisible by 9 if the Sum of the Digits in the Number is divisible by 9
Sum of the Digits in 189: 1+8+9 = 18
18 is divisible by 9, 18 ÷ 9 = 2
Therefore, 189 is divisible by 9
Notes:

• 189 ÷ 9 = 21
• Since 3 is a factor of 9, 189 is also divisible by 3