Best Answer

The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105

The factors of 225 are: 1, 3, 5, 9, 15, 25, 45, 75, 225

The common factors are: 1, 3, 5, 15

- The Greatest Common Factor (GCF) is: 15

Q: What is the GCF of 225 and 105?

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The GCF is 15.

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 75 and 175 is 25

Factor trees are ways of notating the process of finding a prime factorization, From there, you can determine the GCF. 105 35,3 7,5,3 225 75,3 25,3,3 5,5,3,3 Select the common factors. 3 x 5 = 15, the GCF.

The GCF is 25.

The GCF is 75.

The GCF is 25.

The GCF is 45.

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The GCF is 9.

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The GCF is 9.