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Greatest Common Factor and Least Common Multiple

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  • Find the LCM of 4 and 5
    20
  • Find the GCF of 20 and 56.
    4
  • Find the LCM of 6 and 18.
    18
  • Find the LCM of 8 and 10.
    40
  • Find the LCM of 6 and 8.
    24
  • Find the GCF of 60 and 44.
    4
  • Find the LCM of 4 and 10.
    20
  • Find the GCF of 44 and 12.
    4
  • Find the GCF of 52 and 40.
    4
  • Find the LCM of 15 and 20.
    60
  • Find the GCF of 40 and 42.
    2
  • Find the GCF of 18 and 81.
    9
  • Find the LCM of 2 and 7.
    14
  • Find the GCF of 16 and 32.
    16
  • Find the LCM of 30 and 12.
    60
  • Find the GCF of 40 and 32.
    8
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