Answer Posted / daljeet singh

#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int n,i;
char prime;
prime='Y';
cout<<"\n enter a number";
cin>>n;
for(i=2;i<=n/2;++i)
{
if(n%i==0)
{
prime='N';
break;
}
}
if(n==1)
prime='N';
if(prime=='Y')
cout<<"\n entered number is prime";
else
cout<<"\n not a prime no";
getch();
}

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