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| Question 1 |
| Which is the only natural number that has has exactly one factor? |
| A. | 2 | B. | 0 |
| C. | 1 | D. | 3 |
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| Question 2 |
| Every number is a multiple of ________. |
| A. | Only 1 | B. | Itself |
| C. | 2 | D. | 1 and itself |
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| Question 3 |
| What are all the multiples of 2 called? |
| A. | Odd numbers | B. | Even numbers |
| C. | Both odd and even numbers | D. | neither odd nor even numbers |
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| Question 4 |
| A multiple of a natural number is always ________. |
| A. | Greater than or equal to the number itself. | B. | Greater than the number. |
| C. | Smaller than the number. | D. | Equal to the number. |
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| Question 5 |
| Two numbers 'a' and 'b' are factors of each other. What is true about 'a' and 'b'? |
| A. | a > b | B. | a = b |
| C. | b > a | D. | a ≠ b |
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| Question 6 |
| Which of the following numbers is a multiple of all the numbers from 1 to 10? |
| A. | 1,320 | B. | 2,520 |
| C. | 1,520 | D. | 2,430 |
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| Question 7 |
| Which option shows a CORRECT factorization? |
| A. | 36 = 2×3×3×3 | B. | 40 = 2×2×2×7 |
| C. | 24 = 3×3×7 | D. | 42 = 2×3×7 |
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| Question 8 |
| Find the prime factorization of 124? |
| A. | 23 × 31 | B. | 2 × 3 × 31 |
| C. | 32 × 31 | D. | 22 × 31 |
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| Question 9 |
| Find the least 3-digit number that has 3,5 and 7 as factors? |
| A. | 110 | B. | 100 |
| C. | 102 | D. | 105 |
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| Question 10 |
| Prime factors of 132 are? |
| A. | 2 × 3 × 3 × 11 | B. | 2 × 2 × 5 × 11 |
| C. | 2 × 2 × 3 × 11 | D. | 2 × 2 × 3 × 10 |
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