Greatest Common Factor of 140 and 153

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 140, 153 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 140 and 153 is 1.

GCF(140,153) = 1

GCF of 140 and 153

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

GCF of:
and

Greatest Common Factor of 140 and 153

GCF of 140 and 153 is 1

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

Prime Factorization of 153


3 153
3 51
17 17
1

Prime factors of 153 are 3,17. Prime factorization of 153 in exponential form is:

153 = 32×171

∴ So by taking common prime factors GCF of 140 and 153 is 1

Greatest Common Factor of 140 and 153 by matching factors method

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

Factors of 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Greatest Common Factor

We found the factors and prime factorization of 140 and 153. The biggest common factor number is the GCF number.
So the greatest common factor 140 and 153 is 1.

Also check out the Least Common Multiple of 140 and 153

Properties of GCF 140 and 153

(i) The GCF of 140 and 153 is associative

GCF of 140 and 153 = GCF of 153 and 140

Frequently Asked Questions on GCF of 140 and 153

1. What is the GCF of 140 and 153?

Answer: GCF of 140 and 153 is 1.

2. 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.

3. What are the Factors of 153?

Answer: Factors of 153 are 1, 3, 9, 17, 51, 153. There are 6 integers that are factors of 153. The greatest factor of 153 is 153.

4. How to Find the GCF of 140 and 153?

Answer:

Greatest Common Factor of 140 and 153 = 1

Step 1: Find the prime factorization of 140

140 = 2 x 2 x 5 x 7

Step 2: Find the prime factorization of 153

153 = 3 x 3 x 17

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

GCF = = 1

Step 4: Therefore, the greatest common factor of 140 and 153 is 1