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Anonymous
There is always a GCF. This one is 18.
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GCF is 18:54 = 18 x 372 = 18 x 490 = 18 x 5
The GCF of 54, 90, and 126 is 9
The GCF of 18, 54, and 72 is 18.The GCF is 18.
It would be 18.
The GCF is 18.