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1. |
Determine which number is not prime. |
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A. |
61 |
B. |
11 |
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C. |
57 |
D. |
19 |
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Hint |
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2. |
Find the prime factorization of 126. |
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A. |
2 × 3 × 3 × 7 |
B. |
2 × 3 × 3 |
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C. |
2 × 2 × 3 × 3 × 7 |
D. |
2 × 3 × 7 |
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Hint |
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3. |
Find the GCF of 16, 12, and 36. |
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A. |
3 |
B. |
2 |
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C. |
6 |
D. |
4 |
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Hint |
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4. |
What are the prime factors of 120? |
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A. |
2, 2, 2, 3, 5 |
B. |
2, 60 |
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C. |
2, 2, 30 |
D. |
2, 3, 5 |
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Hint |
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5. |
Find the least common multiple of 6 and 15. |
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A. |
3 |
B. |
60 |
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C. |
30 |
D. |
15 |
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Hint |
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