diff --git a/solutions/003/largestprimefactor.py b/solutions/003/largestprimefactor.py
new file mode 100644
index 0000000..2a95349
--- /dev/null
+++ b/solutions/003/largestprimefactor.py
@@ -0,0 +1,16 @@
+import math
+
+largestPrimeFactor = 1
+toBeFactored = 600851475143
+
+def is_prime(maybeprime):
+    for i in range(2, math.floor(math.sqrt(maybeprime) + 1)):
+        if maybeprime % i == 0:
+            return False
+    return True
+
+for i in range(2, math.floor(math.sqrt(toBeFactored) + 1)):
+    if is_prime(i) and toBeFactored % i == 0:
+        largestPrimeFactor = i
+
+print("The largest prime factor of " + str(toBeFactored) + " is: " + str(largestPrimeFactor))
\ No newline at end of file