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Common factors of 42 and 87 are: 1 and 3.

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11y ago
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9y ago

The GCF is 3.

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9y ago

1 and 3

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Q: Highest common factor of 51 and 87?
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Why is 17 the greatest common factor of 51 and 85?

The factors of 51 are:1, 3, 17, 51The factors of 85 are:1, 5, 17, 85The common factors are:1, 17The Greatest Common Factor:GCF = 17


What is the greatest common factor of 87 and 120?

The greatest common factor of 87 , 120 = 3


What is the greatest common factor of 39 and 87?

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 39 and 87 is 3


What is the greatest common factor of 12 24 and 87?

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 12, 24, and 87 is 3


What is the greatest common factor of 12 and 87?

The Greatest Common Factor (GCF) is: 3