Divisibilty Rules

By Jennifer 8J

Divisible by 2

For a number to be divisible by 2, the last number has to be a 0, 2, 4, or an 8.


Ex. 83360- the last number is 0 so it is divisible by 2.

Ex. 83361- the last number is 1 so it is NOT divisible by 2.

Divisible by 3

If you want a number to be divisible by 3, then all the digits , when added up, have to be divisible by 3.


Ex. 573327- the digits add up to 27 which is divisible by 3.

Divisible by 4

For a number to be divisible by 4, the last 2 digits have to be divisible by 4.


Ex. 645816- The last 2 digits, 16, are divisible by 4 therefore 645816 is divisible by 4.

Ex. 836422- the last 2 digits, 22, are NOT divisible by 4, so 836422 is NOT divisible by 4.

Divisible by 5

Its simple. A number that's divisible by 5 has either a 5 or a 0 at the end.


Ex. 29380- It has a 0 at the end so it is divisible by 5.

Ex. 74123- it has a 3 at the end so it is NOT divisible by 5.

Divisible by 6

to be divisible by 6, the number has to be divisible by 2 and 3.


Ex. 555690- its is divisible by 2 and 3 so it is divisible.

Divisible by 10

This one really simple too, all the numbers that have a 0 at the end of them are divisible by 0.


Ex. 38290- divisible by 10

Ex. 23846- NOT divisible by 10