True/False
Indicate whether the sentence or statement is true
or false.
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1.
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a.9
160 is a composite number
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2.
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a.9
31 is a prime number
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3.
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a.9 The prime factorization of 77 is 11  7
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4.
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b.9 The prime factorization of 183 is 3  5 
61
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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5.
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a.9 Tell which number is prime
186,
130, 16 a. | 186 | c. | 16 | b. | 130 | d. | None of the above | | | | |
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6.
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a.9 Tell which number is composite
99,
53, 101 a. | 99 | c. | 101 | b. | 53 | d. | None of the above | | | | |
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7.
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a.9 Tell which number is composite
23,
103, 65 a. | 23 | c. | 65 | b. | 103 | d. | None of the above | | | | |
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8.
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a.9 The prime factorization of 90 is a. | 2  3 
5 | c. | 1  90 | b. | | d. | None of the above | | | | |
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9.
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b.9 The prime factorization of 27 is a. | 3  3 
3 | c. | 2  3 
3 | b. | 3  3 | d. | None of the above | | | | |
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10.
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b.9 The prime factorization of 117 is a. | | c. | 2 
2  13 | b. | 3  3 
13 | d. | None of the
above | | | | |
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