1. Divisibility Rules

2. A number is divisible by 2 if it is an even number (ends in 0, 2, 4, 6, or 8).
Examples: ,

3. A number is divisible by 3 if the sum of its digits is divisible by 3.
Examples: ,
1+2+6= = =3

4. A number is divisible by 4 if the last two digits are a multiple of 4.
Examples: ,

5. A number is divisible by 5 if the last digit is a 5 or 0.
Examples:
90,

6. A number is divisible by 6 if it is divisible by both 2 and 3.
Examples:
,302
7+8= = =6

7. A number is divisible by 9 if the sum of its digits is divisible by 9.
Examples: ,
3+4+2= = =18

8. A number is divisible by 10 if it ends in zero.
Examples:
,800