# Factors Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Factors**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

### Answer : C

### Explanation

**Step 1:**

The factors of 18 are 1, 2, 3, 6, 9 and 18.

**Step 2:**

So only 6 among the given choices is a factor of 18.

### Answer : A

### Explanation

**Step 1:**

The factors of 21 are 1, 3, 7, and 21.

**Step 2:**

So only 3 among the given choices is a factor of 21.

### Answer : B

### Explanation

**Step 1:**

The factors of 32 are 1, 2, 4, 8, 16 and 32.

**Step 2:**

So only 4 among the given choices is a factor of 32.

### Answer : C

### Explanation

**Step 1:**

The factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42.

**Step 2:**

So only 6 among the given choices is a factor of 42.

### Answer : C

### Explanation

**Step 1:**

The factors of 54 are 1, 2, 3, 6, 9, 18, 27 and 54.

**Step 2:**

So only 6 among the given choices is a factor of 54.

### Answer : D

### Explanation

**Step 1:**

The factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

**Step 2:**

So only 5 among the given choices is NOT a factor of 24.

### Answer : B

### Explanation

**Step 1:**

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18 and 36.

**Step 2:**

So only 7 among the given choices is NOT a factor of 36

### Answer : A

### Explanation

**Step 1:**

The factors of 45 are 1, 3, 5, 9, 15 and 45.

**Step 2:**

So only 2 among the given choices is NOT a factor of 45

### Answer : D

### Explanation

**Step 1:**

The factors of 75 are 1, 3, 5, 15, 25 and 75.

**Step 2:**

So only 24 among the given choices is NOT a factor of 75

### Answer : C

### Explanation

**Step 1:**

The factors of 64 are 1, 2, 4, 8, 16, 32 and 64.

**Step 2:**

So only 7 among the given choices is NOT a factor of 64