Nine is the highest common factor of 81 and 9
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The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.
The Greatest Common Factor of 81, 108, 117: 9
No, these are the factors of 81: 1, 3, 9, 27, 81.
81, as it is the highest factor of 81 (81 and 1) and is also a factor of 162 (81 and 2)
Since 81 is a factor of 2754, it is automatically the GCF of this problem.