What is the greatest common factor of 5 and 10?

Greatest Common Factor Calculator / Converter

You have reached us maybe looking for answers to the questions like: What is the greatest common factor of 5 and 10? or what is the highest common factor (HCF) of 5 and 10?

What is the GCF of 5 and 10?

The first step to find the gcf of 5 and 10 is to list the factors of each number. The factors of 5 are 1 and 5. The factors of 10 are 1, 2, 5 and 10. So, the Greatest Common Factor for these numbers is 5 because it divides all them without a remainder. Read more about Common Factors below.

How to find the Greatest Common Factor

GCF example:

The first step is to find all divisors of each number. For instance, let us find the gcf(5, 10).

In this case we have:

The factors of 5 (all the whole numbers that can divide the number without a remainder) are 1 and 5;
The factors of 10 are 1, 2, 5 and 10.

The second step is to analyze which are the common divisors. It is not difficult to see that the 'Greatest Common Factor' or 'Divisor' for 5 and 10 is 5. The GCF is the largest common positive integer that divides all the numbers (5, 10) without a remainder.

In the name greatest common divisor, the adjective "greatest" may be replaced by "highest", and the word "divisor" may be replaced by "factor", so that other names include highest common factor (hcf), greatest common measure, among others.

So, the GCF is also known as:

Greatest common divisor (gcd);
Highest common factor (hcf);
Greatest common measure (gcm), or
Highest common divisor

Greatest Common Factor Calculator

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GCF Examples

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GCF of 7,14 and 14
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GCF of 99 and 115

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Martina Birk

Update: 2023-02-12

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