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| Question 1 |
| Which option shows the prime factorization of 24? |
| A. |
2 × 2 × 3 × 5 |
B. |
2 × 3 × 5 |
| C. |
2 × 2 × 2 × 6 |
D. |
2 × 2 × 2 × 3 |
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| Question 2 |
| Which option shows a prime number? |
| A. |
88 |
B. |
131 |
| C. |
64 |
D. |
62 |
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| Question 3 |
| Which shows the prime factorization for 36? |
| A. |
2× 2 ×3×5 |
B. |
2× 2 ×32×3 |
| C. |
2× 2 ×3×3 |
D. |
2× 3 ×3×3 |
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| Question 4 |
| What are the common factors of 10 and 21? |
| A. |
1, 3, 7 |
B. |
1 |
| C. |
2 |
D. |
1, 2, 5, 10 |
| | | | |
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| Question 5 |
| There are few cards on Emily's table. She can divide those cards into groups of 4 cards or groups of 5 cards. Which of the following is a possible number of cards she has on the table?
|
| A. |
15 |
B. |
12 |
| C. |
20 |
D. |
24 |
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| Question 6 |
| Which option shows all the common factors of 15 and 45? |
| A. |
1, 3, 5, 5, 15 |
B. |
1, 2, 4, 8 |
| C. |
1, 5, 15 |
D. |
1, 3, 5, 15 |
| | | | |
|
| Question 7 |
| What are the factors of 25? |
| A. |
1, 5, 25 |
B. |
1, 3, 5, 25 |
| C. |
1, 5 |
D. |
1, 25 |
| | | | |
|
| Question 8 |
| Find the Greatest Common Factor of 14 and 28. |
| A. |
7 |
B. |
28 |
| C. |
2 |
D. |
14 |
| | | | |
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| Question 9 |
| Which option below shows the prime factorization of 36? |
| A. |
2 × 2 × 3 × 3 |
B. |
2 × 3 × 3 × 3 |
| C. |
2 × 3 × 3 |
D. |
2 × 2 × 3 × 3 × 3 |
| | | | |
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| Question 10 |
| Find the Greatest Common Factor(GCF) of 17 and 23. |
| A. |
17 |
B. |
23 |
| C. |
1 |
D. |
69 |
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