Divisibility Rules

Question 1

Divisible by 3 if

Answer 1

It’s digits add up to a multiple of 3

Question 2

Divisible by 4 if

Answer 2

Last two digits are divisible by 4

Question 3

Divisible by 6

Answer 3

It’s divisible by 2 &
Add numbers up and divisible by 3
55,740=21 =divisible by 3
55,740 divisible by 2

Question 4

Divisible by 9 if

Answer 4

It’s digits add up to a multiple of 9

235,692=27

Question 5

Divisible by 12 if

Answer 5

If it’s divisible by 3&4
Add numbers up and multiple of 3 &
Last two digits are divisible by 4

Question 6

Divisible by 2 if…

Answer 6

It’s last digit is even

1,576