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Prime and Composite Numbers Quiz Bee

Quiz by Tchr. Nging

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15 questions
Show answers
  • Q1
    What is the correct definition of a prime number?
    Any number that is odd.
    A number with only one factor.
    A number with exactly two factors: 1 and itself.
    A number that can be divided by 2.
    30s
  • Q2
    What is the correct definition of a composite number?
    A number with exactly two factors.
    A number that is very large.
    Any number that is even.
    A number with more than two factors.
    30s
  • Q3
    The special number 1 is considered:
    Prime
    Composite
    Both prime and composite
    Neither prime nor composite
    30s
  • Q4
    How many factors does the number 13 have?
    Three
    One
    Two
    Four
    20s
  • Q5
    Which of the following numbers is PRIME?
    7
    4
    6
    9
    20s
  • Q6
    Which of the following numbers is COMPOSITE?
    11
    15
    17
    23
    20s
  • Q7
    What is the smallest prime number?
    0
    1
    2
    3
    20s
  • Q8
    Which set contains ONLY composite numbers?
    {4, 6, 8, 10}
    {3, 5, 7, 9}
    {5, 10, 15, 20}
    {2, 4, 6, 8}
    30s
  • Q9
    Which of the following numbers is PRIME?
    35
    37
    33
    39
    30s
  • Q10
    A number has the factors {1, 2, 4, 8}. What type of number is it?
    Composite
    Prime
    Both
    Neither
    20s
  • Q11
    All of the following numbers are composite EXCEPT for one. Which number is PRIME?
    21
    29
    35
    27
    30s
  • Q12
    What are the factors of the prime number 23?
    {23}
    {1, 11, 12}
    {1, 23}
    {1, 2, 3}
    20s
  • Q13
    Which of the following is a true statement?
    All odd numbers are prime.
    All prime numbers are odd.
    The number 2 is the only even prime number.
    All even numbers are composite.
    30s
  • Q14
    Which of the following numbers is COMPOSITE?
    41
    47
    43
    51
    30s
  • Q15
    If a number has more than two factors, it must be:
    A composite number
    A prime number
    An odd number
    An even number
    20s

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