find GCF number for 16 and 18

gcf stands for greatest coman factor
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1 Answer

16 = 2 * 2 * 2 * 2

18 = 2 * 3 * 3

The GCF is made of the factors that appear in both 16 and 18.  In this case that's just 2, so the GCF is 2.

Answer:  the GCF of 16 and 18 is 2.
by Level 13 User (103k points)

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