# Program to check whether given Integer is Prime or Not

Sample Input 1:

11

Sample Output 1 :

11 is a Prime Number

Sample Input 2 :

12

Sample Output 2 :

12 isnot a Prime Number

#### Try your Solution

Strongly recommended to Solve it on your own, Don't directly go to the solution given below.

#include<stdio.h>
int main()
{
//write your code here
}

#### Program or Solution

```
```
#include <stdio.h>
int main()
{
int number, i;
printf("Enter a Number: ");
scanf("%d",&number);
for(i=2; i<=number/2; ++i)
{
if(number%i==0)
{
printf("%d is not a prime number.",number);
return 0;
}
}
printf("%d is a prime number.",number);
return 0;
}

#### Program Explanation

refer video tutorial#### Comments

#### Related Programs

- Program to print the Factors of a Number N
- Program to print the Prime numbers between two intervals
- Program to print the Prime Factors of N
- Program to check whether given Integer is perfect number or not
- Program to print the perfect numbers between two intervals
- Program to check whether given Integer is Perfect Square or not
- Program to Print the Perfect squares between two intervals
- Program to check whether given Integer is whether integer is power of 2 or not
- Program to find GCD of given numbers
- Program to find LCM of given numbers

coming Soon

coming Soon