Disc

d is a composite number

There is no remainder on the division

d is a prime number

d is greater than n

129

128

123

135

The last two digits form a number divisible by 4

The last digit is even

The sum of the digits is divisible by 3

The number ends with 0 or 5

5678

1234

7019

1312

7

0 or 5

3

1

The sum of its digits is even

It ends with 6

It must be even

It must be divisible by 2 and 3

Check if the last digit is 0

Check if the number is even

Add the digits and check if divisible by 7

Double the last digit and subtract from the rest

20

24

28

29

A number that is only divisible by 1

A number that can be divided by at least one number other than itself

A number that is less than 1

A prime number

Greatest Common Factor

Greatest Common Multiple

General Common Multiple

General Common Factor