The GCF of 18 and 9 is 9.
Since 9 is a factor of 18, it is automatically the GCF.
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What is the greatest common factor of 9, 18, and 15.The answer is....3
No, 18 is.
The greatest common factor is 18
The Greatest Common Factor (GCF) is: 9
The GCF is 9.