Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which number below is not prime?
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2.
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What makes 12 a composite number?
a. | it is devisable by 1 and 12 | c. | factors of 3 and 4 are part of its
factorization | b. | it has more than 2 factors | d. | it is not a composite number |
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3.
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Which of the sets of numbers below are factors for a composite number?
a. | 2, 3, 1, 6 | c. | 1, 13 | b. | 1, 3 | d. | 1, 17 |
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4.
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Which of these numbers below finishes the prime factorization of 56?
2 x 2 x
2 x _____
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5.
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What numbers below have the common factors of 8, 24, 2
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6.
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Which number below is a common factor of: 9 27
39 102?
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Numeric Response
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7.
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What factor is missing in the prime factorization of 18?
2 x 3 x ____
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8.
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What number is the prime factorization for 27?
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9.
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Finish the prime factorization for the number 242.
11 x 2 x
________
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10.
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Write a prime factorization equation for 243. (write the numbers from
least to greatest value and put a space between each symbol; i.e. 1 x 2 x 3)
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11.
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List the lowest common multiple of 2, 4 and 6.
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12.
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List the lowest common multiple of 11, 12 and 3.
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13.
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What number is the first common multiple of 2, 3, and 4?
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14.
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What number is the first common multiple of 6, 9, and 5?
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15.
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What is the first common multiple of 13 and 5?
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