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

  2.   Find the prime factorization of 324.
    A. 22 · 34 B. 22 · 33
    C. 22 · 32 · 9 D. 34 · 4
    Hint

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

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

  5.   Is 57 prime or composite? If it is composite, what is its factorization?
    A. composite, 3 × 17 B. composite, 2 × 29
    C. prime D. composite, 3 × 19
    Hint



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