Divisibility Rules

By: Lauren P, Allison P, MJ F

Divisibility Rules




2

If the last digit is even, the number is divisible by 2



3

If the sum of the digits is divisible by 3, the number is also.



4

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



5

If the last digit is a 5 or a 0, the number is divisible by 5.



6

If the number is divisible by both 3 and 2, it is also divisible by 6.



9

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



10

If the number ends in 0, it is divisible by 10.




Examples on How to use Divisibility Rules

537: 3

3 works because 7+3+5=15 and 15\5=3



401: none

None because its not even and it doesn't fall in any other category

3,950: 2,10

2 and 10 because it even and and it end with a zero

672: 2,3,6,

2,3,and 6 because its even and the total sum of the numbers multiplies to 3 so it equals to six



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