Given Number: 25,722
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 25,722: 2+5+7+2+2 = 18
18 is divisible by 9, 18 ÷ 9 = 2
Therefore, 25,722 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 25,722: 2+5+7+2+2 = 18
18 is divisible by 9, 18 ÷ 9 = 2
Therefore, 25,722 is divisible by 9
Notes:
- 25,722 ÷ 9 = 2,858
- Since 3 is a factor of 9, 25,722 is also divisible by 3
