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All I did was make a factor tree. The GCF (Greatest Common Factor) is 5. :)

Q: What is the GCF of 40 and 35?

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The GCF is 5.

The GCF is 35.

The GCF is 7.

GCF(20, 25, 35, 40) = 5 The GCF of any set of numbers is also a factor of the difference of any pair of them. So the GCF must be a factor of 5 (= 25-20). This narrows down the options quite considerably!

The factors of 35 are: 1, 5, 7, 35 The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40 The common factors are: 1, 5 The Greatest Common Factor (GCF) is: 5

Related questions

The GCF is 5.

The GCF is 1.

The GCF is 5.

The GCF of 35 and 40 is 5. The prime factorization of 35 is 5*7. The prime factorization of 40 is 2*2*2*5 The GCF is 5, which is the only common factor.

The GCF is 5.

The Greatest Common Factor of 14, 35, 42 is 7.

The GCF is 5.

The GCF is 5.

The GCF is 5.

The GCF is 5.

75

The GCF is 5.