Divisibility RULES!!

How can you tell whether a number is divisible by another number (leaving no remainder) without actually doing the division.

Divisibility by:

2

If the last digit is even.

3

If the sum of the digits is divisible by 3.

4

If the last two digits form a number divisible by 4.

5

If the last digit is a 5 or a 0.

6

If the number is divisible by both 3 and 2.

8
 

If the last three digits form a number divisible by 8..

9

If the sum of the digits is divisible by 9, the number is also.

10

If the number ends in 0.