//Downloaded From theonlinetutorials.com
//(C)1999.All rights reserved.
#include<iostream.h>
#include<conio.h>
void main()
{
clrscr();
int p=0,i,n;
cout<<"Enter the no :"<<endl;
cin>>n;
for(i=2;i<=(n/2);i++)
{
if(n%i==0)
p=1;
}
if(p==0)
cout<<"Prime";
else if (p==1)
cout<<"Not Prime";
getch();
}

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Tagged as: C++ Program - Sum of Prime nos, CPP Program - Sum of Prime nos, Sum of Prime nos in C++, Sum of Prime nos in CPP