diff --git a/factoriel.php b/factoriel.php
new file mode 100755
index 0000000000000000000000000000000000000000..fa51a1215f40fbb52898fe3ff2efa4a76693de52
--- /dev/null
+++ b/factoriel.php
@@ -0,0 +1,25 @@
+<html>
+ <head>
+ <title>M2GPI</title>
+ </head>
+ <body>
+ <form method="POST" action="factoriel.php">
+ <input type="submit" name="calcul" value="Calculer"/>
+ le factoriel de : <input type="number" name="input_value"/>
+ </form>
+ <?php
+ if (isset($_POST['calcul'])) {
+
+ $input_value = $_POST['input_value'];
+ $factoriel = 1;
+
+ for ($i=$_POST['input_value']; $i > 0 ; $i--) {
+ echo $factoriel . " * " . $i . "<br>";
+ $factoriel = $factoriel * $i;
+ }
+
+ echo "Le factoriel de " . $_POST['input_value'] . " est " . $factoriel;
+ }
+ ?>
+ </body>
+</html>