# What is the GCF of 12, 24, 36 & 40? getcalc.com's HCF or GCF calculator & step by step work to find what is GCF of 12, 24, 36 and 40.

GCF(12, 24, 36, 40) = 4

The Greatest or Highest Common Factor 4 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 12, 24, 36 & 40.

## How to find HCF(12, 24, 36, 40)?

The below is the step by step work for how to find what is the GCF of four numbers 12, 24, 36 & 40.
Problem & Workout :
step 1 Address the method, input parameters & values
Integers: 12, 24, 36, 40
find gcf (12, 24, 36 and 40) = ?

step 2 Find the prime factors of all integers of the group
12 = 2 x 2 x 3
24 = 2 x 2 x 2 x 3
36 = 2 x 2 x 3 x 3
40 = 2 x 2 x 2 x 5

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 (12, 24, 36 & 40).
GCF(12, 24, 36, 40) = 4 