Answer Posted / sudesh kumar

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

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