diff --git a/euler5-bis.php b/euler5-bis.php
new file mode 100644
index 0000000..41b4a29
--- /dev/null
+++ b/euler5-bis.php
@@ -0,0 +1,21 @@
+<?php
+/*
+* Gnieark's anwser to euler problem 5
+* https://projecteuler.net/problem=5
+*/
+
+//decrement smaller by 20 and tests
+$divisible=false;
+$i=0;
+while(!$divisible){
+    $i+=20;
+    //tester si i est divisible
+    $divisible=true;
+    for($j=19;$j>1;$j--){
+        if(fmod($i,$j)<>0){
+            $divisible=false;
+            break;
+        }
+    }
+}
+echo $i;
\ No newline at end of file
diff --git a/euler5.php b/euler5.php
new file mode 100644
index 0000000..0f9aa94
--- /dev/null
+++ b/euler5.php
@@ -0,0 +1,28 @@
+<?php
+/*
+* Gnieark's anwser to euler problem 5
+* https://projecteuler.net/problem=5
+*/
+$taller=1;
+for ($i=1;$i<21;$i++){
+    $taller=$taller*$i;
+}
+
+//decrement smaller by 20 and test
+$smaller=$taller;
+for ($i=$taller;$i>0;$i+=-20){
+    //tester si i est divisible
+    $divisible=true;
+    for($j=19;$j>0;$j--){
+        if(fmod($i,$j)<>0){
+            $divisible=false;
+            break;
+        }
+    }
+    if($divisible){
+        $smaller=$i;
+        echo $i."\n";
+    }
+
+}
+echo $smaller;
\ No newline at end of file