Prime Numbers

What is Prime Number?

Prime Number is a number which has only two factors namely 1 and the number itself. Prime numbers are divisible only by the number 1 or itself.

For example, 2, 3, 5, 7, 11 and 13 are the first few prime numbers.

1 is neither a prime number nor a composite number

The only even prime number is 2

This video describes about the detailed presentation of prime numbers.

Here is the list of all prime numbers up to 13, marked in yellow

Number	Factors
1	1
2	1, 2
3	1, 3
4	1, 2, 4
5	1, 5
6	1, 2, 3, 6
7	1,7
8	1, 2, 4, 8
9	1, 3, 9
10	1, 2, 5, 10
11	1, 11
12	1, 2, 3, 4, 6, 12
13	1, 13