diff --git a/is_prime.py b/is_prime.py
new file mode 100644
index 00000000..a0f3e981
--- /dev/null
+++ b/is_prime.py
@@ -0,0 +1,13 @@
+def is_prime(n):
+    if n <= 1:
+        return False
+    for i in range(2, int(n**0.5) + 1):
+        if n % i == 0:
+            return False
+    return True
+
+num = int(input("Enter a number: "))
+if is_prime(num):
+    print(f"{num} is a prime number.")
+else:
+    print(f"{num} is not a prime number.")