Saturday, April 13, 2013

Check Prime Number or Not in C

Check Prime Number or Not 



#include<stdio.h>
#include<conio.h>
main()
{
 int pm,i,flag=1;
 printf("enter the number\n");
 scanf("%d",&pm);
 for(i=2;i<pm;i++)
 {
  if((pm % i)==0)
        
         {
          printf("Then given number is not prime\n");
          flag=0;
          break;
         }
 }
  if (flag==1)
     printf("The given number is prime\n");
}

1 comment:

  1. #include
    main()
    {
    int i,n,j;
    printf("\tIT'S A PROGRAM TO CHECK A NUMBER PRIME OR NOT");
    printf("\n\nEnter the number which you want to check:");
    scanf("%d",&n);
    for(i=2;i<n;i++)
    {
    if(n%i==0)
    {
    printf("\n The given number is not prime\n");
    break;
    }
    else
    {
    printf("\nThe given number is prime\n");
    break;
    }
    }

    }

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