diff --git a/Algo/Séminaire/Exercices seminaire.md b/Algo/Séminaire/Exercices seminaire.md
index b8ed258..df799dc 100644
--- a/Algo/Séminaire/Exercices seminaire.md	
+++ b/Algo/Séminaire/Exercices seminaire.md	
@@ -449,12 +449,5 @@ $$
 let prime n =
 	if n < 1 then
 		invalid_args "n should not be inferior to zero"
-	else if n mod 2 = 0 then
-		false
-	else if n mod 3 = 0 then
-		false
-	else if n mod 5 = 0 then
-		false
-	else if n mod 7 = 0 then
-		false
-	else "nombre premier";;
+	else if x = 2 then true
+