Create Check Prime Number.cpp

Author: vishal0535

Check Prime Number.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+    int i, n;
+    bool isPrime = true;
+
+    cout << "Enter a positive integer: ";
+    cin >> n;
+
+    // 0 and 1 are not prime numbers
+    if (n == 0 || n == 1) {
+        isPrime = false;
+    }
+    else {
+        for (i = 2; i <= n / 2; ++i) {
+            if (n % i == 0) {
+                isPrime = false;
+                break;
+            }
+        }
+    }
+    if (isPrime)
+        cout << n << " is a prime number";
+    else
+        cout << n << " is not a prime number";
+
+    return 0;
+}