Q: What is the greatest common factor of 18 21 and 54?

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The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.

The greatest common factor of 21 and 75 is 3.

The greatest common factor of 21 and 322 is 7.

The greatest common factor of 105 and 147 is 21

The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.

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The Greatest Common Factor of 9, 18, 21: 3

The greatest common factor of 18 and 21 is 3.

The Greatest Common Factor (GCF) is: 3

The GCF of 3, 21, and 18 is 3.

The GCF is 3.

The GCF is 3.

The greatest common factor of 18 21 and 42 is 3.

The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.

The greatest common factor of 21 and 77 is 7.

The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.

The GCF is 3.

The GCF is 3.