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Prime Factorization and GCF

Quiz by Erin McCarthy

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7 questions
Show answers
  • Q1
    Find the prime factorization for 20.
    4 x 5
    2 x 10
    1 x 20
    2 x 2 x 5
    30s
  • Q2
    Find the prime factorization for 24.
    2 x 3
    2 x 2 x 3
    2 x 2 x 2 x 3
    2 x 12
    30s
  • Q3
    Find the prime factorization of 42.
    2 x 4 x 7
    2 x 3 x 7
    2 x 21
    6 x 7
    30s
  • Q4
    Find the prime factorization of 60.
    2 x 3 x 3
    2 x 3 x 5
    2 x 3 x 3 x 5
    2 x 2 x 3 x 5
    30s
  • Q5
    Find the GCF of 56 and 49.
    8
    7
    5
    6
    60s
  • Q6
    Find the GCF of 88 and 66.
    11
    22
    44
    2
    60s
  • Q7
    Find the GCF of 60 and 45.
    15
    8
    5
    10
    60s

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