diff --git a/exercises/practice/prime-factors/.meta/tests.toml b/exercises/practice/prime-factors/.meta/tests.toml
index f3f05a3ea..6f9cc8ced 100644
--- a/exercises/practice/prime-factors/.meta/tests.toml
+++ b/exercises/practice/prime-factors/.meta/tests.toml
@@ -1,6 +1,13 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
 
 [924fc966-a8f5-4288-82f2-6b9224819ccd]
 description = "no factors"
@@ -8,12 +15,27 @@ description = "no factors"
 [17e30670-b105-4305-af53-ddde182cb6ad]
 description = "prime number"
 
+[238d57c8-4c12-42ef-af34-ae4929f94789]
+description = "another prime number"
+
 [f59b8350-a180-495a-8fb1-1712fbee1158]
 description = "square of a prime"
 
+[756949d3-3158-4e3d-91f2-c4f9f043ee70]
+description = "product of first prime"
+
 [bc8c113f-9580-4516-8669-c5fc29512ceb]
 description = "cube of a prime"
 
+[7d6a3300-a4cb-4065-bd33-0ced1de6cb44]
+description = "product of second prime"
+
+[073ac0b2-c915-4362-929d-fc45f7b9a9e4]
+description = "product of third prime"
+
+[6e0e4912-7fb6-47f3-a9ad-dbcd79340c75]
+description = "product of first and second prime"
+
 [00485cd3-a3fe-4fbe-a64a-a4308fc1f870]
 description = "product of primes and non-primes"
 
diff --git a/exercises/practice/prime-factors/src/test/java/PrimeFactorsCalculatorTest.java b/exercises/practice/prime-factors/src/test/java/PrimeFactorsCalculatorTest.java
index fe4b1366d..6bd55951a 100644
--- a/exercises/practice/prime-factors/src/test/java/PrimeFactorsCalculatorTest.java
+++ b/exercises/practice/prime-factors/src/test/java/PrimeFactorsCalculatorTest.java
@@ -24,18 +24,48 @@ public void testPrimeNumber() {
         assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(2L)).containsExactly(2L);
     }
 
+    @Ignore("Remove to run test")
+    @Test
+    public void testAnotherPrimeNumber() {
+        assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(3L)).containsExactly(3L);
+    }
+
     @Ignore("Remove to run test")
     @Test
     public void testSquareOfAPrime() {
         assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(9L)).containsExactly(3L, 3L);
     }
 
+    @Ignore("Remove to run test")
+    @Test
+    public void testProductOfFirstPrime() {
+        assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(4L)).containsExactly(2L, 2L);
+    }
+
     @Ignore("Remove to run test")
     @Test
     public void testCubeOfAPrime() {
         assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(8L)).containsExactly(2L, 2L, 2L);
     }
 
+    @Ignore("Remove to run test")
+    @Test
+    public void testProductOfSecondPrime() {
+        assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(625L)).containsExactly(5L, 5L, 5L, 5L);
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void testProductOfThirdPrime() {
+        assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(27L)).containsExactly(3L, 3L, 3L);
+    }
+
+    @Ignore("Remove to run test")
+    @Test
+    public void testProductOfFirstAndSecondPrime() {
+        assertThat(primeFactorsCalculator.calculatePrimeFactorsOf(6L)).containsExactly(2L, 3L);
+    }
+
     @Ignore("Remove to run test")
     @Test
     public void testProductOfPrimesAndNonPrimes() {