diff --git a/prime number b/prime number
new file mode 100644
index 0000000..aae8b97
--- /dev/null
+++ b/prime number	
@@ -0,0 +1,35 @@
+#include <iostream>
+using namespace std;
+
+bool checkPrimeNumber(int);
+
+int main() {
+    int n;
+
+    cout << "Enter a positive  integer: ";
+    cin >> n;
+
+    if (checkPrimeNumber(n))
+        cout << n << " is a prime number.";
+    else
+        cout << n << " is not a prime number.";
+    return 0;
+}
+
+bool checkPrimeNumber(int n) {
+    bool isPrime = true;
+
+    // 0 and 1 are not prime numbers
+    if (n == 0 || n == 1) {
+        isPrime = false;
+    }
+    else {
+        for (int i = 2; i <= n / 2; ++i) {
+            if (n % i == 0) {
+                isPrime = false;
+                break;
+            }
+        }
+    }
+    return isPrime;
+}