-- Write a function to determine whether a given number is prime.
--
-- 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())