1.   Which number is not a factor of 315?
    A. 3 B. 9
    C. 5 D. 2
    Hint

  2.   A number is divisible by 6 if ______.
    A. the number is divisible by 2 and 3
    B. the last two digits are divisible by 2 and 3
    C. the ones digit is divisible by 2, and the tens digit is divisible by 3
    D. the sum of the digits is divisible by 6
    Hint

  3.   The number 64 is divisible by which of the following?
    A. 5 B. 3
    C. 6 D. 4
    Hint

  4.   Which number is divisible by 2, 3, and 5?
    A. 3100 B. 1230
    C. 2052 D. 945
    Hint

  5.   Choose the false statement.
    A. If a number is divisible by 2 then it is divisible by 4 because 4 = 2 × 2.
    B. No odd numbers are divisible by 4.
    C. All multiples of 9 are divisible by 3 because 9 = 3 × 3.
    D. Since 10 = 2 × 5, a number divisible by 10 is also divisible by 2 and by 5.
    Hint



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