1.   Determine which number is not prime.
    A. 19 B. 61
    C. 11 D. 57
    Hint

  2.   Find the prime factorization of 126.
    A. 2 × 3 × 7 B. 2 × 2 × 3 × 3 × 7
    C. 2 × 3 × 3 D. 2 × 3 × 3 × 7
    Hint

  3.   The number 183 ______.
    A. is neither prime nor composite B. is composite
    C. is prime D. has a prime factorization of
2 × 3 × 3 × 3
    Hint

  4.   The volume of a box is found by multiplying its height h, length l, and width w. If the measure of the volume of a box is 385, what could its dimensions be?
   
    A. 3 by 5 by 7 B. 5 by 7 by 11
    C. 3 by 5 by 8 D. 5 by 7 by 7
    Hint

  5.   Find the prime factorization of 105.
    A. 2 × 5 × 7 B. 5 × 21
    C. 3 × 5 × 7 D. 5 × 15
    Hint