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The GCF is 6.
GCF of 18 42 and 84 is 6.
15=3x542=2x3x784=2x2x3x73 is in all three. 3 is the GCF
It is: 6
It is: 14
The GCF is 3.
The GCF of 18 and 84 is 6.
The GCF is 14.
The GCF is 84.