Saturday, 30 December 2017

C program to check a given number is prime number or not

#include<stdio.h>
int main( )
{
    int n, i, k=0;
    
    printf("Enter the number");
    scanf("%d",&n);

    for(i=2; i<n; i++)

    {
         if(n%i==0)
             k++;
    }
      
    if(k==0)
        printf("%d is prime number",n);

   else

        printf("%d is not prime number",n);

return 0;

}





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