Divisibility Rules

{2,3,4,5,6,9}

• A number is divisible by 2 if the last digit is even. Example: 24
• A number is divisible by 3 if the sum of the digits is divisible by 3. Example: 759
• A number is divisible by 4 if the last two digits form a number divisible by 4. Example: 116
• A number is divisible by 5 if the last digits is 0 or 5. Example: 25
• A number is divisible by 6 if the number is divisible by both 2 and 3. Example: 12
• A number is divisible by 9 if the sum of the digits is divisible by 9. Example: 927