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1. |
Find the GCF of 24, 36, and 108. |
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A. |
72 |
B. |
12 |
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C. |
24 |
D. |
6 |
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Hint |
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2. |
Find the GCF of 14a2b4c and 56ab2c2 |
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A. |
14a2b4c2 |
B. |
56ab2c |
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C. |
14ab2c |
D. |
56a2b2c2 |
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Hint |
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3. |
Is 57 prime or composite? If it is composite, what is its factorization? |
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A. |
composite, 3 × 19 |
B. |
composite, 3 × 17 |
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C. |
composite, 2 × 29 |
D. |
prime |
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Hint |
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4. |
Find the prime factorization of -198. |
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A. |
2 · 32 · 11 |
B. |
–1 · 2 · 32 · 10 |
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C. |
–1 · 2 · 32 · 11 |
D. |
2 · 32 · 10 |
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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. |
prime |
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C. |
composite, 7 × 11 |
D. |
composite, 13 × 6 |
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Hint |
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