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

User Jbarrueta
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2 Answers

4 votes
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
User Intropedro
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7.3k points
2 votes
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).
User Bendrix
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6.8k points
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