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C Program-Prime Number

Salim Ahmed Ansari

13/01/2017 0 0

/*WAP to print a number entered by the user is prime or not*/

//Header files

#include<stdio.h>
#include<conio.h>

//Main function

void main()
{
int num,i;

//Function for clearing screen
clrscr();
printf("Enter a number: ");
scanf("%d",&num);
i=2;
while(i<=num-1)
{
  if(num%i==0)
  {
   printf("Not a prime number!");
   break;
  }
  i++;
}
if(i==num)
{
  printf("\nPrime Number!");
}

//Function for holding screen
getch();
}

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