Greatest Common Factor of 128 and 136

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 128, 136 i.e. 8 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 128 and 136 is 8.

GCF(128,136) = 8

GCF of 128 and 136

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

GCF of:
and

Greatest Common Factor of 128 and 136

GCF of 128 and 136 is 8

Prime Factorization of 128


2 128
2 64
2 32
2 16
2 8
2 4
2 2
1

Prime factors of 128 are 2. Prime factorization of 128 in exponential form is:

128 = 27

Prime Factorization of 136


2 136
2 68
2 34
17 17
1

Prime factors of 136 are 2.Prime factorization of 136 in exponential form is:

136 = 23×171

∴ So by taking common prime factors GCF of 128 and 136 is 8

Greatest Common Factor of 128 and 136 by matching factors method

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Greatest Common Factor

We found the factors and prime factorization of 128 and 136. The biggest common factor number is the GCF number.
So the greatest common factor 128 and 136 is 8.

Also check out the Least Common Multiple of 128 and 136

Properties of GCF 128 and 136

(i) The GCF of 128 and 136 is associative

GCF of 128 and 136 = GCF of 136 and 128

Related Greatest Common Factor of 128

Related Greatest Common Factor of 136

Frequently Asked Questions on GCF of 128 and 136

1. What is the GCF of 128 and 136?

Answer: GCF of 128 and 136 is 8.

2. What are the Factors of 128?

Answer: Factors of 128 are 1, 2, 4, 8, 16, 32, 64, 128. There are 8 integers that are factors of 128. The greatest factor of 128 is 128.

3. What are the Factors of 136?

Answer: Factors of 136 are 1, 2, 4, 8, 17, 34, 68, 136. There are 8 integers that are factors of 136. The greatest factor of 136 is 136.

4. How to Find the GCF of 128 and 136?

Answer:

Greatest Common Factor of 128 and 136 = 8

Step 1: Find the prime factorization of 128

128 = 2 x 2 x 2 x 2 x 2 x 2 x 2

Step 2: Find the prime factorization of 136

136 = 2 x 2 x 2 x 17

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

GCF = 2 x 2 x 2 = 8

Step 4: Therefore, the greatest common factor of 128 and 136 is 8