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The factors of 64 are all 2s and the factors of 81 are all 3s. The greatest common factor is 1, since they have no factors in common. ■

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Q: What is the Least common factor of 64 and 81?
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What is the greatest common factor of 81 and 64?

The GCF of 64 and 81 is 1. 64:1,3,4,8,16,32,64 81:1,3,9,27,81


What are all the factors of 64 and 81?

1, 2, 4, 8, 16, 32, 64 1, 3, 9, 27, 81


What is least common multiple of 54 81 and 135?

The least common multiple of the numbers 54, 81 and 135 is 810.


What is the greatest common factor and least common multiple of 42 81 105?

They are 3 and 2835 respectively


What is the most common factor for 81?

You need at least two numbers to find something in common between them.