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1. |
Find the LCM of 2, 3, and 8. |
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A. |
13 |
B. |
24 |
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C. |
48 |
D. |
1 |
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Hint |
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2. |
Use prime factorization to find the LCM of 12 and 15. |
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A. |
23 · 5 or 40 |
B. |
3 · 22 · 5 or 60 |
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C. |
3 · 22 or 12 |
D. |
3 |
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Hint |
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3. |
Find the LCM of 5, 15, and 20. |
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A. |
80 |
B. |
60 |
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C. |
120 |
D. |
20 |
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Hint |
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4. |
Find the LCM of 12 and 30 by using prime factorization. |
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A. |
120 |
B. |
360 |
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C. |
90 |
D. |
60 |
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Hint |
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5. |
At a grocery store, hamburgers come in packages of 4, hamburger buns cone in packages of 8, and sliced cheese comes in packages of 12. If you want an equal amount of all three items, what is the least number of hamburgers, buns, and slices of cheese you can buy? |
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A. |
36 |
B. |
24 |
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C. |
48 |
D. |
12 |
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Hint |
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