# How many prime numbers are there from 1 to 10?

##### 1 Answer

Mar 7, 2018

See a solution process below;

#### Explanation:

**Definition of a Prime Number:** A Prime Number can be divided exactly only by 1, or itself. And it must be a whole number greater than 1.

Therefore:

1 is not a prime number: it is not greater than 1.

2 is a prime number: it is only divisible by 1 and 2

3 is a prime number: it is only divisible by 1 and 3

4 = 2 x 2 it is not a prime number

5 is a prime number: it is only divisible by 1 and 5

6 = 2 x 3 it is not a prime number

7 is a prime number: it is only divisible by 1 and 7

8 = 2 x 4 it is not a prime number

9 = 3 x 3 it is not a prime number

10 = 2 x 5 it is not a prime number

Therefore, the prime numbers are: 2, 3, 5, 7