# Greatest Common Factor of 320 and 324

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 320, 324 i.e. 4 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 320 and 324 is 4.

GCF(320,324) = 4

## GCF of 320 and 324

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

### Greatest Common Factor of 320 and 324 by Prime factorization method

Prime Factorization of 320

 2 320 2 160 2 80 2 40 2 20 2 10 5 5 1

Prime factors of 320 are 2,5. Prime factorization of 320 in exponential form is:

320 = 26×51

Prime Factorization of 324

 2 324 2 162 3 81 3 27 3 9 3 3 1

Prime factors of 324 are 2,3. Prime factorization of 324 in exponential form is:

324 = 22×34

∴ So by taking common prime factors GCF of 320 and 324 is 4

### Greatest Common Factor of 320 and 324 by matching factors method

Factors of 320

List of positive integer factors of 320 that divides 320 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,160,320

Factors of 324

List of positive integer factors of 324 that divides 324 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,324

Greatest Common Factor

We found the factors and prime factorization of 320 and 324. The biggest common factor number is the GCF number.
So the greatest common factor 320 and 324 is 4.

Also check out the Least Common Multiple of 320 and 324

### Properties of GCF 320 and 324

(i) The GCF of 320 and 324 is associative

GCF of 320 and 324 = GCF of 324 and 320

### Frequently Asked Questions on GCF of 320 and 324

1. What is the GCF of 320 and 324?

Answer: GCF of 320 and 324 is 4.

2. What are the Factors of 320?

Answer: Factors of 320 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320. There are 14 integers that are factors of 320. The greatest factor of 320 is 320.

3. What are the Factors of 324?

Answer: Factors of 324 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324. There are 15 integers that are factors of 324. The greatest factor of 324 is 324.

4. How to Find the GCF of 320 and 324?

Greatest Common Factor of 320 and 324 = 4

Step 1: Find the prime factorization of 320

320 = 2 x 2 x 2 x 2 x 2 x 2 x 5

Step 2: Find the prime factorization of 324

324 = 2 x 2 x 3 x 3 x 3 x 3

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2 x 2 = 4

Step 4: Therefore, the greatest common factor of 320 and 324 is 4 