Write a program to check whether the number is prime number or not.

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#include<iostream.h>
#include<conio.h>
 void prime(int &x);
 void main()
  { int n;
    clrscr();
    cout<<"\nEnter A Number: ";
    cin>>n;
    prime(n);
    getch();
  }
 void prime(int &x)
  { int i,c=0;
    for(i=1;i<=x;i++)
      {
       if(x%i==0)
    {c++;}
      }
     if(c==2)
       cout<<"\n\tPrime no.: "<<x;
     else
       cout<<"\n\tNot a Prime no.: "<<x;
  } 
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