# Prime Number program in C language

**Prime number**:

**Prime number**is a whole number that is larger than one (1) and divided by 1 or itself.

In other words,

prime number has only two Factor that are 1 and itself. For example 2, 3, 5, 7, 11, 13, 17, 19, 23…. are the prime numbers.

#### Note: Zero (0) and 1 are not considered as prime numbers. Two (2) is the only one even prime number because all the Even numbers can be divided by 2.

Let’s see how to write prime number program in C language and Execution of C Program. In this c program, we will get an input from the user and check This the number is prime or not.

Output:

Enter the number to check prime:56

Number is not prime

Enter the number to check prime:23

Number is prime