The greatest common factor of the numbers 24 and 54 is 6.
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It is: 2
You need at least two numbers to find a GCF.
The GCF is 15.
The GCF is 5.
9.Why? Because 9 x 6 = 54, and 9 x 5 = 45. No number larger than 9 is both a factor of 54 AND 45.