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1. |
Which of the following values is prime? |
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A. |
81 |
B. |
96 |
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C. |
72 |
D. |
53 |
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Hint |
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2. |
Find the prime factorization of 324. |
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A. |
22 · 34 |
B. |
22 · 33 |
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C. |
34 · 4 |
D. |
22 · 32 · 9 |
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Hint |
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3. |
Find the GCF of 54a2, 84ab, and 10c |
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A. |
4 |
B. |
2abc |
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C. |
2 |
D. |
8ab |
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Hint |
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4. |
Is 57 prime or composite? If it is composite, what is its factorization? |
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A. |
composite, 2 × 29 |
B. |
composite, 3 × 17 |
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C. |
prime |
D. |
composite, 3 × 19 |
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Hint |
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5. |
Is 79 prime or composite? If it is composite, what is its factorization? |
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A. |
composite, 3 × 23 |
B. |
composite, 13 × 6 |
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C. |
composite, 7 × 11 |
D. |
prime |
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Hint |
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