1.   Which of the following values is prime?
    A. 81 B. 96
    C. 53 D. 72
    Hint

  2.   Find the GCF of 24, 36, and 108.
    A. 6 B. 72
    C. 12 D. 24
    Hint

  3.   Find the GCF of 14a2b4c and 56ab2c2
    A. 14ab2c B. 14a2b4c2
    C. 56a2b2c2 D. 56ab2c
    Hint

  4.   Find the GCF of 54a2, 84ab, and 10c
    A. 2 B. 8ab
    C. 4 D. 2abc
    Hint

  5.   Is 79 prime or composite? If it is composite, what is its factorization?
    A. composite, 3 × 23 B. prime
    C. composite, 13 × 6 D. composite, 7 × 11
    Hint



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