# What is the Greatest Common Factor of 6 and 8?

Greatest common factor (GCF) of 6 and 8 is 2.

GCF(6,8) = 2

We will now calculate the prime factors of 6 and 8, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6 and 8.

GCF Calculator and
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## How to find the GCF of 6 and 8?

We will first find the prime factorization of 6 and 8. After we will calculate the factors of 6 and 8 and find the biggest common factor number .

### Step-1: Prime Factorization of 6

Prime factors of 6 are 2, 3. Prime factorization of 6 in exponential form is:

6 = 21 × 31

### Step-2: Prime Factorization of 8

Prime factors of 8 are 2. Prime factorization of 8 in exponential form is:

8 = 23

### Step-3: Factors of 6

List of positive integer factors of 6 that divides 6 without a remainder.

1, 2, 3

### Step-4: Factors of 8

List of positive integer factors of 8 that divides 6 without a remainder.

1, 2, 4

#### Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6 and 8. The biggest common factor number is the GCF number.
So the greatest common factor 6 and 8 is 2.

Also check out the Least Common Multiple of 6 and 8