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- #include<iostream>
- using namespace std;
- string primo(int a);
- int main()
- {
- int n;
- cout<<"Ingrese un numero: ";
- cin>>n;
- cout<<primo(n);
- }
- string primo(int a)
- {
- int cont = 0;
- for(int i=0 ; i<a ; i++){
- if(a%(i+1)==0)
- cont++;
- }
- if(cont == 2)
- return "Es Primo";
- else
- return "No es Primo";
- }
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