Answer Posted / sudesh kumar

#include<iostream.h>
#include<conio.h>
void main()
{
int no;
cout<<"enter a no";
cin>>no;
for(i=2;i<no;i++)
{
r=no%i;
if(r==0)
{
p==0;
break;
}}
if(p==1)
{
cout<<"prime no";
}
else
{
cout<<"note prime";
}
getch();
}

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