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# GCF of 100 and 89

The gcf of 100 and 89 is the largest positive integer that divides the numbers 100 and 89 without a remainder. Spelled out, it is the greatest common factor of 100 and 89. Here you can find the gcf of 100 and 89, along with a total of three methods for computing it. In addition, we have a calculator you should check out. Not only can it determine the gcf of 100 and 89, but also that of three or more integers including hundred and eighty-nine for example. Keep reading to learn everything about the gcf (100,89) and the terms related to it.

## What is the GCF of 100 and 89

If you just want to know what is the greatest common factor of 100 and 89, it is 1. Usually, this is written as

gcf(100,89) = 1

The gcf of 100 and 89 can be obtained like this:

• The factors of 100 are 100, 50, 25, 20, 10, 5, 4, 2, 1.
• The factors of 89 are 89, 1.
• The common factors of 100 and 89 are 1, intersecting the two sets above.
• In the intersection factors of 100 ∩ factors of 89 the greatest element is 1.
• Therefore, the greatest common factor of 100 and 89 is 1.

Taking the above into account you also know how to find all the common factors of 100 and 89, not just the greatest. In the next section we show you how to calculate the gcf of hundred and eighty-nine by means of two more methods.

## How to find the GCF of 100 and 89

The greatest common factor of 100 and 89 can be computed by using the least common multiple aka lcm of 100 and 89. This is the easiest approach:

gcf (100,89) = \frac{100 \times 89}{lcm(100,89)} = \frac{8900}{8900} = 1

Alternatively, the gcf of 100 and 89 can be found using the prime factorization of 100 and 89:

• The prime factorization of 100 is: 2 x 2 x 5 x 5
• The prime factorization of 89 is: 89
• The prime factors and multiplicities 100 and 89 have in common are: 1
• 1 is the gcf of 100 and 89
• gcf(100,89) = 1

In any case, the easiest way to compute the gcf of two numbers like 100 and 89 is by using our calculator below. Note that it can also compute the gcf of more than two numbers, separated by a comma. For example, enter 100,89. The calculation is conducted automatically.

The gcf is...
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## Use of GCF of 100 and 89

What is the greatest common factor of 100 and 89 used for? Answer: It is helpful for reducing fractions like 100 / 89. Just divide the nominator as well as the denominator by the gcf (100,89) to reduce the fraction to lowest terms.

\frac{100}{89} = \frac{\frac{100}{1}}{\frac{89}{1}} = \frac{100}{89}.

## Properties of GCF of 100 and 89

The most important properties of the gcf(100,89) are:

• Commutative property: gcf(100,89) = gcf(89,100)
• Associative property: gcf(100,89,n) = gcf(gcf(89,100),n) n\neq 0 \thinspace\in\thinspace\mathbb{Z}

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

To sum up, the gcf of 100 and 89 is 1. In common notation: gcf (100,89) = 1.

If you have been searching for gcf 100 and 89 or gcf 100 89 then you have come to the correct page, too. The same is the true if you typed gcf for 100 and 89 in your favorite search engine.

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

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