Question #4d39f

1 Answer
sjc
Dec 7, 2017

#GCF(20,36)=4#

Explanation:

write down all the factors of each number then pick out the common ones, and hence the GCF.

Factors#" "20:{color(red)(1,2,4),5,10,20}#

factors #" "36:{color(red)(1,2),3,color(red)(4),6,9,18,36}#

common factors#" "{1,2,4}#

#GCF(20,36)=4#

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