prac_005.cpp (749B)
1 /* 2 * Author: Amit Dutta (amitdutta4255@gmail.com) | Date: 22 Jun 2026 3 * Repo: https://github.com/notamitgamer/bsc 4 * License: MIT 5 */ 6 7 /* check prime or not */ 8 9 #include <iostream> 10 using namespace std; 11 12 class ponp { 13 int input, i; 14 15 public: 16 void getinput(); 17 void calcdisp(); 18 }; 19 20 void ponp::getinput() { 21 cout << "please enter the value : "; 22 cin >> input; 23 } 24 25 void ponp::calcdisp() { 26 if (input <= 1) { 27 cout << "This is not a prime number."; 28 return; 29 } 30 31 for (i = 2; i <= input / 2; i++) { 32 if (input % i == 0) { 33 cout << "this is not a prime number."; 34 return; 35 } 36 } 37 cout << "prime"; 38 } 39 40 int main() { 41 ponp z; 42 z.getinput(); 43 z.calcdisp(); 44 return 0; 45 }