Greatest Common Factor of 20431 and 20439

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 20431, 20439 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 20431 and 20439 is 1.

GCF(20431,20439) = 1

GCF of 20431 and 20439

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

GCF of:
and

Greatest Common Factor of 20431 and 20439

GCF of 20431 and 20439 is 1

Prime Factorization of 20431


20431 20431
1

Prime factors of 20431 are 20431. Prime factorization of 20431 in exponential form is:

20431 = 204311

Prime Factorization of 20439


3 20439
3 6813
3 2271
757 757
1

Prime factors of 20439 are 3.Prime factorization of 20439 in exponential form is:

20439 = 33×7571

∴ So by taking common prime factors GCF of 20431 and 20439 is 1

Greatest Common Factor of 20431 and 20439 by matching factors method

Factors of 20431

List of positive integer factors of 20431 that divides 20431 without a remainder.

1,20431

Factors of 20439

List of positive integer factors of 20439 that divides 20439 without a remainder.

1,3,9,27,757,2271,6813,20439

Greatest Common Factor

We found the factors and prime factorization of 20431 and 20439. The biggest common factor number is the GCF number.
So the greatest common factor 20431 and 20439 is 1.

Also check out the Least Common Multiple of 20431 and 20439

Properties of GCF 20431 and 20439

(i) The GCF of 20431 and 20439 is associative

GCF of 20431 and 20439 = GCF of 20439 and 20431

Frequently Asked Questions on GCF of 20431 and 20439

1. What is the GCF of 20431 and 20439?

Answer: GCF of 20431 and 20439 is 1.

2. What are the Factors of 20431?

Answer: Factors of 20431 are 1, 20431. There are 2 integers that are factors of 20431. The greatest factor of 20431 is 20431.

3. What are the Factors of 20439?

Answer: Factors of 20439 are 1, 3, 9, 27, 757, 2271, 6813, 20439. There are 8 integers that are factors of 20439. The greatest factor of 20439 is 20439.

4. How to Find the GCF of 20431 and 20439?

Answer:

Greatest Common Factor of 20431 and 20439 = 1

Step 1: Find the prime factorization of 20431

20431 = 20431

Step 2: Find the prime factorization of 20439

20439 = 3 x 3 x 3 x 757

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 20431 and 20439 is 1