Greatest Common Factor of 136 and 140

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 136, 140 i.e. 4 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 136 and 140 is 4.

GCF(136,140) = 4

GCF of 136 and 140

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

GCF of:
and

Greatest Common Factor of 136 and 140

GCF of 136 and 140 is 4

Prime Factorization of 136


2 136
2 68
2 34
17 17
1

Prime factors of 136 are 2,17. Prime factorization of 136 in exponential form is:

136 = 23×171

Prime Factorization of 140


2 140
2 70
5 35
7 7
1

Prime factors of 140 are 2,5,7. Prime factorization of 140 in exponential form is:

140 = 22×51×71

∴ So by taking common prime factors GCF of 136 and 140 is 4

Greatest Common Factor of 136 and 140 by matching factors method

Factors of 136

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

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

Factors of 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Greatest Common Factor

We found the factors and prime factorization of 136 and 140. The biggest common factor number is the GCF number.
So the greatest common factor 136 and 140 is 4.

Also check out the Least Common Multiple of 136 and 140

Properties of GCF 136 and 140

(i) The GCF of 136 and 140 is associative

GCF of 136 and 140 = GCF of 140 and 136

Related Greatest Common Factor of 136

Related Greatest Common Factor of 140

Frequently Asked Questions on GCF of 136 and 140

1. What is the GCF of 136 and 140?

Answer: GCF of 136 and 140 is 4.

2. 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.

3. What are the Factors of 140?

Answer: Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. There are 12 integers that are factors of 140. The greatest factor of 140 is 140.

4. How to Find the GCF of 136 and 140?

Answer:

Greatest Common Factor of 136 and 140 = 4

Step 1: Find the prime factorization of 136

136 = 2 x 2 x 2 x 17

Step 2: Find the prime factorization of 140

140 = 2 x 2 x 5 x 7

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 136 and 140 is 4