Learn and know **composite number definition** in types of numbers in mathematics. It is recommended to all the students that knowing or learning composite numbers 1 to 100 is good.

Do you observe this? Any natural number other than 1 will be an either prime number or a composite number. Because of this we have a benefit. If we know prime numbers automatically we can know what are composite numbers? Or if we know composite numbers automatically we can know what are prime numbers? So learn any one i.e. prime numbers or composite numbers, that’s enough. Now we will start learning and knowing about what are composite numbers? i.e. we will know the **definition of a composite number**.

**Composite number definition as follows:**

Actually we can define composite number in two ways.

The first **definition of composite number** is given as “A number which is greater than “1” and has minimum 3 factors is called as a composite number”.

The second **definition of composite number** is “A number which is not a prime number is called as a composite number”.

**Some Examples of composite numbers are**

The numbers 4, 6, 8, 9, 10, 12, 14 …are composite numbers. In all these composite numbers the smallest composite number which is even number and the odd number are “4” and “9” respectively.

**How to check the number is composite number or not?**

We can check it in two methods.

Find out the number of factors of given number, if the number of factors is 3 or more than 3 then we decide that it is a composite number.

Check whether it is a prime number or not, if it is not a prime number then definitely the number is a composite number only.

In both of these methods, apply the method which you are feeling simple and easy.

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