From fd63fae3ae4f11a7a70db2de8bd1871bf2f901c6 Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sun, 15 Oct 2023 15:17:09 +0100
Subject: [PATCH] Add prime numbers exercise

---
 004_prime_numbers.lua | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 004_prime_numbers.lua

diff --git a/004_prime_numbers.lua b/004_prime_numbers.lua
new file mode 100644
index 0000000..fd1daca
--- /dev/null
+++ b/004_prime_numbers.lua
@@ -0,0 +1,31 @@
+-- Solution --------------------------------------------------------------------
+
+function is_prime(x)
+   -- Your implementation here
+end
+
+-- Tests -----------------------------------------------------------------------
+
+local luaunit = require("luaunit.luauint")
+
+function test_1_is_not_prime()
+   luaunit.assertFalse(is_prime(1))
+end
+
+function test_2_is_prime()
+   luaunit.assertTrue(is_prime(2))
+end
+
+function test_15_is_not_prime()
+   luaunit.assertFalse(is_prime(15))
+end
+
+function test_441_is_not_prime()
+   luaunit.assertFalse(is_prime(441))
+end
+
+function test_563_is_prime()
+   luaunit.assertTrue(is_prime(563))
+end
+
+os.exit(luaunit.LuaUnit.run())