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Greatest Common Factors

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    Greatest Common Factors
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  • What is the greatest common factor of 45 and 52?
    1
  •  15
  • What is the greatest common factor of 38 and 76?
    38
  •  15
  • What is the greatest common factor of of 28 and 44?
    4
  •  15
  • What is the greatest common factor of 45 and 78?
    3
  •  15
  • What is the highest common factor of 12 and 18?
    6
  •  15
  • What is the highest common factor of 20 and 50?
    10
  •  15
  • What is the highest common factor of 63 and 99?
    9
  •  15
  • What is the highest common factor of 65 and 156?
    13
  •  15
  • Name all the factors of 12
    1, 2, 3, 4, 6, and 12,
  •  15
  • Name all the factors of 35
    1, 5, 7 and 35.
  •  15
  • What are the common factors of 12 and 15?
    1 and 3
  •  15