Greatest Common Factor of 28 and 44

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 28, 44 i.e. 4 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 28 and 44 is 4.

GCF(28,44) = 4

GCF of 28 and 44

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

GCF of:
and

Greatest Common Factor of 28 and 44

GCF of 28 and 44 is 4

Prime Factorization of 28


2 28
2 14
7 7
1

Prime factors of 28 are 2,7. Prime factorization of 28 in exponential form is:

28 = 22×71

Prime Factorization of 44


2 44
2 22
11 11
1

Prime factors of 44 are 2,11. Prime factorization of 44 in exponential form is:

44 = 22×111

∴ So by taking common prime factors GCF of 28 and 44 is 4

Greatest Common Factor of 28 and 44 by matching factors method

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

Greatest Common Factor

We found the factors and prime factorization of 28 and 44. The biggest common factor number is the GCF number.
So the greatest common factor 28 and 44 is 4.

Also check out the Least Common Multiple of 28 and 44

Properties of GCF 28 and 44

(i) The GCF of 28 and 44 is associative

GCF of 28 and 44 = GCF of 44 and 28

Frequently Asked Questions on GCF of 28 and 44

1. What is the GCF of 28 and 44?

Answer: GCF of 28 and 44 is 4.

2. What are the Factors of 28?

Answer: Factors of 28 are 1, 2, 4, 7, 14, 28. There are 6 integers that are factors of 28. The greatest factor of 28 is 28.

3. What are the Factors of 44?

Answer: Factors of 44 are 1, 2, 4, 11, 22, 44. There are 6 integers that are factors of 44. The greatest factor of 44 is 44.

4. How to Find the GCF of 28 and 44?

Answer:

Greatest Common Factor of 28 and 44 = 4

Step 1: Find the prime factorization of 28

28 = 2 x 2 x 7

Step 2: Find the prime factorization of 44

44 = 2 x 2 x 11

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 28 and 44 is 4