The highest common factor of 9 and 30 is 3.
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The only factors of 9 are 1, 3, and 9. For 9 and any multiple of 9, the GCF is 9. For multiples of 3 that are not multiples of 9, the GCF is 3. For any other numbers, the GCF is 1.
A single number cannot have a highest common factor. A highest common factor is shared by two or more numbers.
The highest common factor is 9
Nine is the highest common factor of 81 and 9
The greatest common factor of 9 and 33 is 3It is: 3
The greatest common factor (GCF) of 21 and 9 is 3.
The GCF is 9.