diff --git a/solutions/prime_number/test_hacernuryanaral.py b/solutions/prime_number/test_hacernuryanaral.py
new file mode 100644
index 0000000..3123268
--- /dev/null
+++ b/solutions/prime_number/test_hacernuryanaral.py
@@ -0,0 +1,20 @@
+import pytest
+
+from prime import is_prime
+
+
+def test_is_prime_negative():
+	assert is_prime(-3) == False
+
+def test_is_prime_equal_2():
+	assert is_prime(2) == True
+
+def test_is_prime_even():
+	assert is_prime(8) == False
+
+def test_is_prime():
+	assert is_prime(7) == True
+
+def test_is_prime_str():
+	with pytest.raises(TypeError):
+		is_prime('83') == True
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