Question #b0d11

1 Answer
EZ as pi
Mar 11, 2017

GCF = 13

Explanation:

Write each term as the product of its prime factors, Then you know what you are dealing with.

39x = 3 xx 13 xx x
143 = " " 13 xx 11

The only factor they share is 13 so this has to be the GCF.

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