Divisibility rules

Rule for 1

- all whole numbers are divisible by 1

Rule for 2

- all even number are divisible by 2

Rule for 3

-the sum of all digits must be divisible by 3

Rule for 4

- all numbers that are divisible by 2 twice

Rule for 5

- numbers that end with 5 an 0

Rule for 6

- any number that is divisible by 2 and 3

Rule for 8

-all numbers divisible by 2 three times

Rule for 9

-the sum of all digits must equal 9

Rule for 10

- all numbers that end with an 0