diff --git a/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.portuguese.md b/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.portuguese.md
index 5261e5697e..37aa363242 100644
--- a/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.portuguese.md
+++ b/curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.portuguese.md
@@ -58,6 +58,10 @@ factorialize(5);
 <section id='solution'>
 
 ```js
-// solution required
+function factorialize(num) {
+  return num <= 1 ? 1 : num * factorialize(num - 1);
+}
+
+factorialize(5);
 ```
 </section>