04-09-2017
Mathematics

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What is the GCF of 32+20 and the Gcf of 18+27

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dulcemariaa689 dulcemariaa689

04-09-2017

32+20=52
18+27=45
Factors of 52 are: 56,2613,4,2,1
Factors of 45 are: 45,15,9,5,3,1

The common factors they have are 1

GCF= 1

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darina203217 darina203217

04-09-2017

  32     20
  4   8     4 5
  2 2 2 2 2 2 2

The greatest common factor is 4

The GCF of 18 and 27 is 9, because it is the highest factor of both the numbers (besides the # itself).

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