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# Composite number

The composite number is the one with more than two divisors.
There are infinities and the smallest is 4.

Unlike prime numbers, the compounds besides being divisible among themselves and 1 are divisible among others .

For example, the number 18 is composite because it has 6 divisors: 1, 2, 3, 6, 9 and 18:
18/1 = 18
18/2 = 9
18/3 = 6
18/6 = 3
18/9 = 2
18/18 = 1

Or, the number 24 is also because you can do the exact division with 8 numbers: 1, 2, 3, 4, 6, 8, 12 and 24:
24/1 = 24
24/2 = 12
24/3 = 8
24/4 = 6
24/6 = 4
24/8 = 3
24/12 = 2
24/24 = 1

## Exercises of composite number

1. Select only those that are composite:

## Ejercicios de Números compuestos

### Factors of 36

The number 36 has 9 factors and is a composite number. To calculate the factors of 36 we divide,...

### Factors of 35

The number 35 has 4 factors and is a composite number. To calculate the factors of 35 we divide,...

### Factors of 34

The number 4 has 4 factors and is a composite number. To calculate the factors of 34 we divide,...

### Factors of 33

The number 33 has 4 factors and is a composiite number. To calculate the factors of 33 we divide,...

### Factors of 32

The number 32 has 6 factors and is a composite number. To calculate the factors of 32 we divide,...

### Factors of 31

The number 31 has 2 factors and is a prime number. To calculate the factors of 31 we divide,...

### Factors of 30

The number 30 has 8 factors and is a composite number. To calculate the factors of 30 we divide,...

### Factors of 29

The number 29 has 2 factors and is a prime number. To calculate the factors of 29 we divide,...

### Factors of 28

The number 28 has 5 factors and is a composite number. To calculate the factors of 28 we divide,...

### Factors of 27

The number 27 has 4 factors and is a composite number. To calculate the factors of 27 we divide,...