Question

problem 1

Write a program that asks the user for an integer and then prints out all its factors. For example, when the user enters 84, the program should print

2

2

3

7

Validate the input to make sure that it is not a character or a string using do loop. in c plus plus

Answer 1

Program :

#include<iostream>
using namespace std;
int main() {
   int num, i;
   cout<<"Enter a number:";
   cin>>num;
   cout << "The factors of " << num << " are : ";
   for(i=2; i <= num; i++) {
      if (num % i == 0)
       {
            cout<<i<<" ";
            num=num/i;
            i=i-1;
       }
   }
   return 0;
}

Output :

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