0
Anonymous
The GCF is 6.
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GCF of 12 18 42 is 6.
42 / 18 = 2 r 6 18 / 6 = 3 r 0 -> gcf of 42 and 18 is 6.
The Greatest Common Factor of 42 and 18 is 6.
6
12 6,2 3,2,2 42 21,2 7,3,2 2 x 3 = 6, the GCF