Greatest Common Factor of 20420 and 20427

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 20420, 20427 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 20420 and 20427 is 1.

GCF(20420,20427) = 1

GCF of 20420 and 20427

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

GCF of:
and

Greatest Common Factor of 20420 and 20427

GCF of 20420 and 20427 is 1

Prime Factorization of 20420


2 20420
2 10210
5 5105
1021 1021
1

Prime factors of 20420 are 2,5,1021. Prime factorization of 20420 in exponential form is:

20420 = 22×51×10211

Prime Factorization of 20427


3 20427
11 6809
619 619
1

Prime factors of 20427 are 3,11,619. Prime factorization of 20427 in exponential form is:

20427 = 31×111×6191

∴ So by taking common prime factors GCF of 20420 and 20427 is 1

Greatest Common Factor of 20420 and 20427 by matching factors method

Factors of 20420

List of positive integer factors of 20420 that divides 20420 without a remainder.

1,2,4,5,10,20,1021,2042,4084,5105,10210,20420

Factors of 20427

List of positive integer factors of 20427 that divides 20427 without a remainder.

1,3,11,33,619,1857,6809,20427

Greatest Common Factor

We found the factors and prime factorization of 20420 and 20427. The biggest common factor number is the GCF number.
So the greatest common factor 20420 and 20427 is 1.

Also check out the Least Common Multiple of 20420 and 20427

Properties of GCF 20420 and 20427

(i) The GCF of 20420 and 20427 is associative

GCF of 20420 and 20427 = GCF of 20427 and 20420

Related Greatest Common Factor of 20420

Related Greatest Common Factor of 20427

Frequently Asked Questions on GCF of 20420 and 20427

1. What is the GCF of 20420 and 20427?

Answer: GCF of 20420 and 20427 is 1.

2. What are the Factors of 20420?

Answer: Factors of 20420 are 1, 2, 4, 5, 10, 20, 1021, 2042, 4084, 5105, 10210, 20420. There are 12 integers that are factors of 20420. The greatest factor of 20420 is 20420.

3. What are the Factors of 20427?

Answer: Factors of 20427 are 1, 3, 11, 33, 619, 1857, 6809, 20427. There are 8 integers that are factors of 20427. The greatest factor of 20427 is 20427.

4. How to Find the GCF of 20420 and 20427?

Answer:

Greatest Common Factor of 20420 and 20427 = 1

Step 1: Find the prime factorization of 20420

20420 = 2 x 2 x 5 x 1021

Step 2: Find the prime factorization of 20427

20427 = 3 x 11 x 619

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 20420 and 20427 is 1