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1.
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What factors are missing in this repeated division?
 a. | A = 42, B = 21 | c. | A = 21, B =
7 | b. | A = 21, B = 3 | d. | A = 3, B = 7 |
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2.
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What factors are missing from this repeated division?
 a. | A = 2, B = 14, C = 7 | b. | A = 2,
B = 2, C = 7 | c. | A = 14, B = 7, C =
1 | d. | A = 2, B = 7, C = 1 |
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3.
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What factors are missing from this factor
tree?  a. | A = 3, B = 5 | b. | A = 25, B =
3 | c. | A = 5, B = 5 |
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4.
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What factors are missing from this factor tree?
 a. | A = 48, B = 3, C = 9, D = 3 | c. | A = 54,
B = 3, C = 12, D = 9 | b. | A = 27, B = 4, C = 3,
D = 9 | d. | A = 54,
B = 2, C = 9, D = 3 |
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5.
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Which number has the prime factors 2, 3, and 7?
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6.
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Which number has the prime factors 3, 5, and 11?
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Match the number with the prime factors.
a. | 2 | c. | 2, 41 | b. | 2, 3 | d. | 2, 3, 5 |
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7.
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82
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8.
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64
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9.
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150
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10.
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72
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