# Is 49 a Prime Number

Is 49 a Prime Number
Go back to  'Prime Numbers'

Did you know, that prime numbers have been described as the "Atoms" of mathematics?

In this short lesson, we will find out whether 49 is a prime number or not. So let's get started!

## Lesson Plan

 1 Is 49 a Prime Number? 2 Important Notes 3 Challenging Questions 4 Solved Examples 5 Interactive Questions

## Is 49 a Prime Number?

A number is said to be a prime number if it has only 2 factors 1 and itself.

For example, consider 43

Is 43 a prime number?

The answer is yes. Because it only has two factors as 1 and 43

Let us take one more example: Is 19 a prime number?

The answer will be yes, as it only has 1 and 19  as the number that can completely divide it leaving no remainder behind.

### Factors of 49

Let us find the factors of 49

$$1 \times 49 = 49$$

$$7 \times 7 = 49$$

It is a square number.

49 has more than 2 factors. It is not a prime number.

## Is 49 a Composite Number?

Any number that has more than 2 factors (the number 1, and itself), is a composite number.

So, 49 is a composite number as it has got more than two factors.

Hence, 49 is a composite made up of 3 factors 1, 7, 49

$$\therefore$$ 49 is a composite number.

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