Study

Factors & Multiples

  •   0%
  •  0     0     0

  • Name a multiple of 5 that has a factor of 2.
    Ex: 10, 20, 30, etc.
  • Name 3 multiples of 10.
    Ex: 10, 20, 30, etc.
  • Which is not a multiple of 3? (3, 6, 9, or 13)
    13
  • List all the factor pairs for 12.
    (1,12) (2,6) (3,4)
  • Is 5 a MULTIPLE of 15?
    No. 5 is a factor of 15.
  • Sarah had 18 football cards. Can she group them in more than 2 ways?
    Yes
  • What factors of 30 are also prime numbers?
    2, 3, 5
  • Is 12 a prime or composite number?
    composite
  • Select the prime number: 15, 19, 27
    19
  • List all of the factors of 9.
    1, 3, 9
  • Which is not a factor pair for 24? (1 and 24), (3 and 6), (4 and 6)
    (3 and 6)
  • Sally says that all of the factors of 20 are 1,2,4,5, and 10. Is she correct? Why or why not?
    No, she is not correct. She forgot that 20 is also a factor of 20.
  • Which is a factor pair for 28? (3 and 9), (4 and 7), or (6 and 5)
    4 and 7
  • Is 30 a multiple of 6?
    yes
  • Is 2 a prime or composite number?
    prime
  • Roger has 23 baseball cards. Can he group them in more than 2 ways?
    no
  • Is 17 prime or composite?
    prime
  • Select the composite number: 5, 7, 9, 11
    9
  • Is 22 prime or composite?
    composite
  • Lauren made a factor tree for 16. Would the number 4 be on the tree?
    Yes