The GCF is 3.
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Nine is HCF of 18 and 27
The highest common factor (HCF) of 24 and 18 is 6.
Hint: divide num and denom by their HCF... 18/27 = 2/3
It means the highest common factor of two numbers or more. For example the HCF of 18 and 27 is 9 18=2×3×3 27=3×3×3 The common factor is 3×3=9
The GCF is 4.