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Q: What is the greatest common factor of 56 40 21 and 15?

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The Greatest Common Factor of 15, 21, 27: 3

The Greatest Common Factor of 15, 21, 28: 1

what is the greatest common factor of 9,15,and 21

3

3

The greatest common factor of 15 and 21 is 3The factors of 15 are: 1, 3, 5, 15The factors of 21 are: 1, 3, 7, 21The common factors are: 1, 3The Greatest Common Factor (GCF) is: 3

It is: 1

1

It is: 1

The GCF of 3, 15, and 21 is 3.

The GCF of 10, 15, and 21 is 1.

The greatest common factor of 21 and 651 is 21.

The GCF is 3.

The GCF is 1.

The GCF is 3.

The GCF is 3.

The GCF is 3.

The GCF is 3.

The GCF is 3.

The GCF is 3.

The GCF is 1.

The GCF is 1.

The GCF is 1.

14 and 21, and 21 and 28 are the number pairs between 15 and 30 that have 7 as their greatest common factor.

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