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The factors of 51 are:

1, 3, 17, 51

The factors of 85 are:

1, 5, 17, 85

The common factors are:

1, 17

The Greatest Common Factor:

GCF = 17

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9y ago
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13y ago

The greatest common factor of 51 and 87 is 3.

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11y ago
  • Factors of 53: 1, 53
  • Factors of 17: 1, 17
  • GCF (53, 17) = 1
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14y ago

Because among all the factors that are common to 51 and 85, 17 is the largest/greatest/highest/biggest number

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15y ago

17

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Q: Why is 17 the greatest common factor of 51 and 85?
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Related questions

What is the greatest common factor of 34 and 51?

Greatest common factor of 51 and 34 is 17.


The greatest common factor of 51 and 34?

The Greatest Common Factor of 51 and 34 is 17.


What is a greatest common factor of 17 and 51?

17 is the greatest common factor - it goes into 17 once, and 51 three times.


What is the greatest common factor of 34 and 51 and 102?

The greatest common factor of 34, 51, and 102 is 17.


What is the greatest common factor 17 and 51?

Since 17 is a factor of 51, it is automatically the GCF.


What is the greatest common factor of 51 34 68?

The greatest common factor (GCF) is: 17


What is the greatest common factor for 85 and 51?

It is 17


What is the greatest common factor of 51?

There is not a greatest common factor of 51 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common.The factors of 51 are 1, 3, 17, and 51.Examples:The greatest common factor of 34 and 51 is 17.The greatest common factor of 51 and 90 is 3.The greatest common factor of 5 and 51 is 1.You need at least two numbers to find a GCF.


What is the greatest common factor of 51 and 119?

The factors of 51 are 1, 3, 17, and 51. The factors of 119 are 1, 7, 17, and 119. The factors they have in common are 1 and 17. Therefore the greatest common factor is 17. The greatest common factor can also be determined from the prime factors. The prime factors of 51 are 3 and 17. The prime factors of 119 are 7 and 17. The prime factors they have in common are a single 17, so the greatest common factor is 17.


What is the greatest common factor of 17and 51?

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What is the greatest common factor 51 and 68?

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Greatest common factor 34 and 51?

It is: 17