A natural number having more than 2 factors is called a composite number. A natural number greater than 1, having only two factors namely one and the number itself is called a prime number.

__Composite
and Prime Numbers__

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**Activity**

Tick the factors of the following numbers

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__Composite Number:__

A natural number having more than 2
factors is called a **composite number**.

**Examples**

4,
6, 8, 9, 12, 26, 60, 448, 816,…

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__Prime number:__

A
natural number greater than 1, having only two factors namely one and the
number itself is called a **prime number.**

**Do you know? **2 is the
only even prime number.

**Examples**

2,
3, 5, 7, 11, 13, 29, 37,….

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__COMMON FACTORS:__

The
factors that are common to two or more numbers is called **common factors.**

**Example**

The
factors of 12, 18 are :

The
factors of 12 - 1, 2, 3, 4, 6, 12

The
factors of 18 - 1, 2, 3, 6, 9, 18

The
common factors of 12, 18 are 1, 2, 3 and 6.

**Activity**

Tags : Numbers | Term 2 Chapter 2 | 5th Maths , 5th Maths : Term 2 Unit 2 : Numbers

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

5th Maths : Term 2 Unit 2 : Numbers : Composite and Prime Numbers | Numbers | Term 2 Chapter 2 | 5th Maths

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