Given Number: 207
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 207: 2+0+7 = 9
9 is divisible by 9, 9 ÷ 9 = 1
Therefore, 207 is divisible by 9
Notes:
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 207: 2+0+7 = 9
9 is divisible by 9, 9 ÷ 9 = 1
Therefore, 207 is divisible by 9
Notes:
- 207 ÷ 9 = 23
- Since 3 is a factor of 9, 207 is also divisible by 3