diff --git a/core-java-modules/core-java-numbers-5/src/main/java/com/baeldung/factors/FactorsOfInteger.java b/core-java-modules/core-java-numbers-5/src/main/java/com/baeldung/factors/FactorsOfInteger.java
new file mode 100644
index 0000000000..a623a7b81e
--- /dev/null
+++ b/core-java-modules/core-java-numbers-5/src/main/java/com/baeldung/factors/FactorsOfInteger.java
@@ -0,0 +1,39 @@
+package com.baeldung.factors;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class FactorsOfInteger {
+    public static Set<Integer> getAllFactorsVer1(int n) {
+        Set<Integer> factors = new HashSet<>();
+        for (int i = 1; i <= n; i++) {
+            if (n % i == 0) {
+                factors.add(i);
+            }
+        }
+        return factors;
+    }
+
+    public static Set<Integer> getAllFactorsVer2(int n) {
+        Set<Integer> factors = new HashSet<>();
+        for (int i = 1; i <= Math.sqrt(n); i++) {
+            if (n % i == 0) {
+                factors.add(i);
+                factors.add(n / i);
+            }
+        }
+        return factors;
+    }
+
+    public static Set<Integer> getAllFactorsVer3(int n) {
+        Set<Integer> factors = new HashSet<>();
+        int step = n % 2 == 0 ? 1 : 2;
+        for (int i = 1; i <= Math.sqrt(n); i += step) {
+            if (n % i == 0) {
+                factors.add(i);
+                factors.add(n / i);
+            }
+        }
+        return factors;
+    }
+}
diff --git a/core-java-modules/core-java-numbers-5/src/test/java/com/baeldung/factors/FactorsOfIntegerUnitTest.java b/core-java-modules/core-java-numbers-5/src/test/java/com/baeldung/factors/FactorsOfIntegerUnitTest.java
new file mode 100644
index 0000000000..8a4105ed5a
--- /dev/null
+++ b/core-java-modules/core-java-numbers-5/src/test/java/com/baeldung/factors/FactorsOfIntegerUnitTest.java
@@ -0,0 +1,40 @@
+package com.baeldung.factors;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.Map;
+import java.util.Set;
+
+import org.junit.jupiter.api.Test;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+
+class FactorsOfIntegerUnitTest {
+    //@formatter:off
+    private final static Map<Integer, Set<Integer>> FACTOR_MAP = ImmutableMap.of(
+    0, ImmutableSet.of(),
+    1, ImmutableSet.of(1),
+    20, ImmutableSet.of(1, 2, 4, 5, 10, 20),
+    24, ImmutableSet.of(1, 2, 3, 4, 6, 8, 12, 24),
+    97, ImmutableSet.of(1, 97),
+    99, ImmutableSet.of(1, 3, 9, 11, 33, 99),
+    100, ImmutableSet.of(1, 2, 4, 5, 10, 20, 25, 50, 100)
+    );
+    //@formatter:on
+
+    @Test
+    void givenAnInteger_whenCallingFindAllFactorsTheDraftVersion_shouldGetExpectedResult() {
+        FACTOR_MAP.forEach((number, expected) -> assertEquals(expected, FactorsOfInteger.getAllFactorsVer1(number)));
+    }
+
+    @Test
+    void givenAnInteger_whenCallingFindAllFactorsVer2_shouldGetExpectedResult() {
+        FACTOR_MAP.forEach((number, expected) -> assertEquals(expected, FactorsOfInteger.getAllFactorsVer2(number)));
+    }
+
+    @Test
+    void givenAnInteger_whenCallingFindAllFactorsVer3_shouldGetExpectedResult() {
+        FACTOR_MAP.forEach((number, expected) -> assertEquals(expected, FactorsOfInteger.getAllFactorsVer3(number)));
+    }
+}