diff --git a/2-lab/modul1.rb b/2-lab/modul1.rb
index c5a375d..4c326ee 100755
--- a/2-lab/modul1.rb
+++ b/2-lab/modul1.rb
@@ -113,20 +113,20 @@ def primalityTest(n)
     return true
   end
 
-  counter = rand(n/2..n)
+  counter = rand(3..n)
   while (counter != 0) do
-    b = rand(2..n)
+    b = rand(2..n-2) # Tez dziala n-1
       if betterExponentiation(b,n-1,n) != 1 then
         return false
       end
-      counter = counter + 1
+      counter = counter - 1
   end
   return true
 end
 
-#1 #puts random_gen_Zn(50,3)
-#2 #puts reciprocal_Phi_p(5,7)
-#3 #puts betterExponentiation(24637864786278436723,10,3)
-#4 #puts remSqEuler(5,13)
-#5 #puts squareRootFp(7,2)
-#6 #puts primalityTest(10)
+#1 puts random_gen_Zn(50,3)
+#2 puts reciprocal_Phi_p(5,7)
+#3 puts betterExponentiation(24637864786278436723,10,3)
+#4 puts remSqEuler(5,13)
+#5 puts squareRootFp(7,2)
+#6 puts primalityTest(13)