diff --git a/scala/Problem7.scala b/scala/Problem7.scala
new file mode 100644
index 0000000..0bf0b96
--- /dev/null
+++ b/scala/Problem7.scala
@@ -0,0 +1,4 @@
+lazy val ps: Stream[Int] = 2 #:: Stream.from(3).filter(i =>
+  ps.takeWhile(j => j * j <= i).forall(i % _ > 0))
+
+val r = ps(10000)