Program for Prime Number in C

Here you will get program for prime number in C.
A number that is only divisible by 1 or itself is called prime number.
For example, 17 is prime, 6 is not prime, etc.

Program for Prime Number in C

#include<stdio.h> int main() { int n,i,flag=1; printf("Enter any number:"); scanf("%d",&n); for(i=2;i<n/2;++i) if(n%i==0) { flag=0; break; } if(flag==1) printf("\nThe given number is prime"); else printf("\nThe given number is not prime"); return 0; }

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#include<stdio.h>   int main() {     int n,i,flag=1;     printf("Enter any number:");     scanf("%d",&n);          for(i=2;i<n/2;++i)         if(n%i==0)         {             flag=0;             break;         }          if(flag==1)         printf("\nThe given number is prime");     else         printf("\nThe given number is not prime");       return 0; }

Output
Enter any number:15
The given number is not prime