# What is the GCF of 3, 6, 9 & 27?

getcalc.com's HCF or GCF calculator & step by step work to find what is GCF of 3, 6, 9 and 27.

GCF(3, 6, 9, 27) = 3

The Greatest or Highest Common Factor 3 divides each one of the integer of this group. By using this GCF calculator & the work with steps, grade school students, teachers or parents can verify the results or the workout for HCF of 3, 6, 9 & 27.

## How to find HCF(3, 6, 9, 27)?

The below is the step by step work for how to find what is the GCF of four numbers 3, 6, 9 & 27.

** Problem & Workout** :

step 1 Address the method, input parameters & values

Integers: 3, 6, 9, 27

find gcf (3, 6, 9 and 27) = ?

step 2 Find the prime factors of all integers of the group

3 = 3

6 = 2 x 3

9 = 3 x 3

27 = 3 x 3 x 3

step 3The common prime factor or the product of all common prime factors between all integers is the highest common factor of this group of integers (3, 6, 9 & 27).

GCF(3, 6, 9, 27) = 3