## Prime, Square and Cube numbers.

## Prime numbers

##

## A prime number is a number that has exactly two factors. They are also only divisible by itself and 1.

##

## Here are the first few prime numbers:

## 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29.

##

## Square numbers

##

## A square number is given when a number is multiplied by itself, It is has the name square number because it gives the area of a square whose side length is an integer.

## For example:

## 5 x 5 = 25

## in this case 25 is the square number as it is the given when you multiply 5 by 5.

##

## Here are the first few square numbers:

## 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100.

##

## Cube numbers

##

## A cube number is given when a number is multiplied by itself and then by itself again. It is called a cube number because it gives the volume of a cube whose side length is an integer.

## For example:

## 5 x 5 x 5 = 125

## In this case 125 is the cube number as it is given when 5 is multiplied by itself, then again by itself.

##

## Here are the first few cube numbers:

## 1, 8, 27, 64 and 125.