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GCF of 39 and 17

The gcf of 39 and 17 is the largest positive integer that divides the numbers 39 and 17 without a remainder. Spelled out, it is the greatest common factor of 39 and 17. Here you can find the result for 39 and 17, along with a total of three methods for computing it.


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This Greatest Common Factor Calculator is Really Cool! Click To TweetYou should check out our calculator. Not only can it determine the outcome of 39 and 17, but also that of three or more integers including thirty-nine and seventeen for example. Keep reading to learn everything about the gcf (39,17) and the terms related to it.

What is the Greatest Common Factor of 39 and 17?

If you just want to know what is the greatest common factor of 39 and 17, it is 1. Usually, this is written as

gcf(39,17) = 1


The gcf of 39 and 17 can be obtained like this:
  • The factors of 39 are 39, 13, 3, 1.
  • The factors of 17 are 17, 1.
  • The common factors of 39 and 17 are 1, intersecting the two sets above.
  • In the intersection factors of 39 ∩ factors of 17 the greatest element is 1.
  • Therefore, the greatest common factor of 39 and 17 is 1.

Taking the above into account you also know how to find all the common factors of 39 and 17, not just the greatest. In the next section we show you how to calculate the gcf of thirty-nine and seventeen by means of two more methods.

How to find the GCF of 39 and 17

The greatest common factor of 39 and 17 can be computed by using the least common multiple aka lcm of 39 and 17. This is the easiest approach:

gcf (39,17) = = 1



Alternatively, the gcf of 39 and 17 can be found using the prime factorization of 39 and 17:
  • The prime factorization of 39 is: 3 x 13
  • The prime factorization of 17 is: 17
  • The prime factors and multiplicities 39 and 17 have in common are: 1
  • 1 is the gcf of 39 and 17
  • gcf(39,17) = 1

In any case, the easiest way to compute the result for two numbers like 39 and 17 is by using our calculator above. Note that it can also compute the gcf of more than two numbers, separated by a comma. For example, enter 39,17. The calculation is conducted automatically.

Similar searched terms on our site also include:

In the next paragraph we explain how the mathematical concept can be employed.

Keep reading – it’s really interesting.

Use of Greatest Common Factor of 39 and 17

What is the greatest common factor of 39 and 17 used for? Answer: It is helpful for reducing fractions like 39 / 17. Just divide the nominator as well as the denominator by the gcf (39,17) to reduce the fraction to lowest terms.

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Next, we shed a light on the mathematical properties.

Properties of GCF of 39 and 17

The most important properties of the gcf(39,17) are:

  • Commutative property: gcf(39,17) = gcf(17,39)
  • Associative property: gcf(39,17,n) = gcf(gcf(17,39),n)

The associativity is particularly useful to get the gcf of three or more numbers; our calculator makes use of it.

Summary

Note that you can find the greatest common factor of many integer pairs including thirty-nine / seventeen by using the search form in the sidebar of this page.

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– Article written by Mark, last updated on August 8th, 2023