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| Question 1 | |
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| What is the least common multiple of 4, 5, and 16? | |
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| A. | 30 | B. | 45 | |
| C. | 56 | D. | 80 | |
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| Question 2 | |
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| Find the least common multiple of 15 and 20 | |
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| A. | 30 | B. | 40 | |
| C. | 60 | D. | 80 | |
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| Question 3 | |
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| Which list shows the factors of 32? | |
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| A. | 1, 2, 4, 8 | B. | 1, 3, 6, 8 | |
| C. | 1, 5, 7, 9 | D. | 1, 2, 4, 6 | |
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| Question 4 | |
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| Select the CORRECT statement. | |
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| A. | A composite number is any number that has less than two factors. | B. | A composite number has only two factors, one and itself. | |
| C. | A composite number is any number that has more than two factors. | D. | A prime number is any number that has more than two factors. | |
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| Question 5 | |
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| Find the least common multiple of 3, 9, 21? | |
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| A. | 45 | B. | 63 | |
| C. | 42 | D. | 56 | |
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| Question 6 | |
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| The prime factors of 24 are ____________. | |
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| A. | 2 × 2 × 2 × 2 | B. | 2 × 2 × 2 × 5 | |
| C. | 2 × 3 × 3 × | D. | 2 × 2 × 2 × 3 | |
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| Question 7 | |
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| What is the least common multiple of 9 and 12? | |
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| A. | 18 | B. | 36 | |
| C. | 45 | D. | 63 | |
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| Question 8 | |
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| Which of these is a prime number? | |
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| A. | 19 | B. | 18 | |
| C. | 21 | D. | 22 | |
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| Question 9 | |
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| Lauren has Taekwondo class every 3 days and guitar lesson every 5 days. If she had both a Taekwondo class and a guitar lesson on Monday, in how many days will she have both on the same day again? | |
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| A. | 12 | B. | 10 | |
| C. | 15 | D. | 16 | |
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| Question 10 | |
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| Which list shows the factors of 28? | |
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| A. | 1, 2, 3, 5, 12 | B. | 7, 14, 21 | |
| C. | 2, 7, 14, 18 | D. | 1, 2, 4, 7, 14, 28 | |
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