Best Answer

The greatest, (Highest) Common Factor of 21 and 56 is 7

More answers

The greatest common factor (GCF) is 7.

GCF(21, 56) = 7

The prime gcf of 21 and 56 is 7.

GCF(21, 56) = 7.

7

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

Write your answer...

Submit

Still have questions?

Continue Learning about Basic Math

The Greatest Common Factor (GCF) is: 7

The GCF of 21, 56, and 70 is 7.

The GCF is 7.

The GCF is 7.

The greatest common factor is the highest number that divides exactly into two or more numbers. 21: 1, 3, 7, 21 42: 1, 2, 3, 6, 7, 14, 21, 42 56: 1, 2, 4, 7, 8, 14, 28, 56 63: 1, 3, 7, 9, 21, 63 The greatest common factor for 21, 42, 56 and 63 is 7.

Related questions

The greatest common factor of 21 and 56 is 7.

The Greatest Common Factor (GCF) is: 7

The Greatest Common Factor (GCF) is: 7

The GCF of 21, 56, and 70 is 7.

The GCF is 7.

7

The GCF is 7.

The GCF is 7.

The GCF is 7.

The GCF is 7.

The GCF is: 7

The GCF is 7.