## Definition Of Prime Number

A prime number is a positive integer that has exactly two factors, 1 and the number itself.

### Example of Prime Number

2, 3, 5, 7, 11, 13, 17, 19, etc. are all prime numbers.

There are infinitely many prime numbers.

### Video Examples: Prime Numbers

### Solved Example on Prime Number

**Ques: **Is 41 a prime number?

##### Choices:

A. Yes

B. No

Correct Answer: A

### Solution:

Step 1: The only divisors of 41 are 1 and 41. So, 41 is a prime number.