#include <iostream>
using namespace std;
void check_prime(int num){
cout << num<<" 약수 : ";
int cnt = 0;
for(int i = 1;i<= num ;i++ ){
if (num % i == 0){
cout <<i<<" ";
cnt++;
}
}
cout << "\n";
cout << "약수의 개수 : "<<cnt;
}
void check_prime_1(int num){
int cnt = 0;
for(int i = 1;i<= num ;i++ ){
if (num % i == 0){
cnt++;
}
}
cout << "약수의 개수 : "<<cnt;
if(cnt == 2){
cout << "\n 소수입니다.";}
else{
cout << "\n 소수 아님.";
}
}
int main() {
check_prime_1(1777777);
}
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