Composite number

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

composite number

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


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