Divisiblility Rules.

1. All whole numbers are divisible by 1.
2. All whole numbers that end in 0,2,4,6,8 is divisible by 2.
3. The sum of the digits is divisible by 3,
4. All whole numbers that are divided by 2 twice and the sum is a whole number it is divisible 4.
5. All whole number that end in 0,5 are divisible 5
6. If the whole number is divisible by 2 and 3 is divisible by 6.
7. There is NO divisibility rule for 7.
8. All whole numbers that you divided thrice times (three times) and equals a whole number it is divisible by 8.
9. The sum of the digits is divisible by 9.
10. All whole numbers that end with 0 is divisible by 10.