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Prime and Composite Numbers

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  • The test average in Ms. Bennett's class was 92. Was their average prime or composite?
    Composite
  • Which of the composite rules apply for the number 21?
    3's rule, multiple of 7
  • Is this number prime or composite? 35
    Composite
  • Is this number prime or composite? 57
    Composite
  • Is this number prime or composite? 47
    Prime
  • Is this number prime or composite? 23
    Prime
  • Is this number prime or composite? 2
    Prime
  • Leo needs a new jersey number. He wants to choose a prime number less than 10. What are 2 options?
    2, 3, 5, 7
  • Is this number prime or composite? 32
    Composite
  • Challenge: Prime or Composite? 123
    Composite. 3's rule
  • Is this number prime or composite? 43
    Prime
  • Is this number prime or composite? 67
    Prime
  • Is this number prime or composite? 17
    Prime
  • Is this number prime or composite? 24
    Composite
  • Is this number prime or composite? 49
    Composite
  • Is this number prime or composite? 76
    Composite
  • Is this number prime or composite? 81
    Composite
  • Why is 2 composite even though it is an even number?
    There are only 2 factors for 2, 1 x 2
  • Is this number prime or composite? 19
    Prime
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