diff --git a/math_utils.py b/math_utils.py
new file mode 100644
index 0000000..cd71b5c
--- /dev/null
+++ b/math_utils.py
@@ -0,0 +1,56 @@
+def add(a, b):
+    return a + b
+
+
+def subtract(a, b):
+    return a - b
+
+
+def multiply(a, b):
+    return a * b
+
+
+def divide(a, b):
+    if b == 0:
+        raise ValueError("Cannot divide by zero")
+    return a / b
+
+
+def power(base, exponent):
+    return base ** exponent
+
+
+def is_even(n):
+    return n % 2 == 0
+
+
+def factorial(n):
+    if n < 0:
+        raise ValueError("Factorial not defined for negative numbers")
+    if n == 0:
+        return 1
+    return n * factorial(n - 1)
+
+
+def clamp(value, min_val, max_val):
+    return max(min_val, min(max_val, value))
+
+
+def average(numbers):
+    if not numbers:
+        raise ValueError("Cannot compute average of empty list")
+    return sum(numbers) / len(numbers)
+# Trigger review
+
+def percentage(value, total):
+    if total == 0:
+        raise ValueError("total cannot be zero")
+    return (value / total) * 100
+
+def is_prime(n):
+    if n < 2:
+        return False
+    for i in range(2, int(n**0.5) + 1):
+        if n % i == 0:
+            return False
+    return True