# GCD of 26 and 77

You have reached us maybe looking for answers to the questions like: GCD of 26 and 77 or what is the highest common factor (HCF) of 26 and 77?

## What is the GCF of 26 and 77?

The first step to find the gcf of 26 and 77 is to list the factors of each number. The factors of 26 are 1, 2, 13 and 26. The factors of 77 are 1, 7, 11 and 77. So, the **Greatest Common Factor** for these numbers is 1 because it divides all them without a remainder. Read more about Common Factors below.

To use the GCD / GCF / HCF Calculator below just enter a set of numbers separated by commas (,).

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## 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(26, 77).

In this case we have:

- The factors of 26 (all the whole numbers that can divide the number without a remainder) are 1, 2, 13 and 26;
- The factors of 77 are 1, 7, 11 and 77.

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 26 and 77 is 1. The GCF is the largest common positive integer that divides all the numbers (26, 77) without a remainder.

The GCF is also known as:

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

To learn more about GCF/GCD, watch this video from Khan Academy or/and read this arcticle.

### Greatest Common Factor Calculator

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