Sunday, March 17, 2013

C++ program to find prime numbers in a given range

Write a C++ program to print all the prime numbers with in the given range



#include<iostream>
#include<iomanip>
using namespace std;

int main(){
    int num,i,count,n;
    cout << "Enter max range: ";
    cin >> n;
    for(num = 1;num<=n;num++){
         count = 0;
         for(i=2;i<=num/2;i++){
             if(num%i==0){
                 count++;
                 break;
             }
        }
       
         if(count==0 && num!= 1)
              cout << num << setw(3);
    }
 system("pause");
   return 0;
}

C++ program to find prime numbers in a given range 






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