Greatest Common Factor of 2018 and 2021

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 2018, 2021 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2018 and 2021 is 1.

GCF(2018,2021) = 1

GCF of 2018 and 2021

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

GCF of:
and

Greatest Common Factor of 2018 and 2021

GCF of 2018 and 2021 is 1

Prime Factorization of 2018


2 2018
1009 1009
1

Prime factors of 2018 are 2,1009. Prime factorization of 2018 in exponential form is:

2018 = 21×10091

Prime Factorization of 2021


43 2021
47 47
1

Prime factors of 2021 are 43,47. Prime factorization of 2021 in exponential form is:

2021 = 431×471

∴ So by taking common prime factors GCF of 2018 and 2021 is 1

Greatest Common Factor of 2018 and 2021 by matching factors method

Factors of 2018

List of positive integer factors of 2018 that divides 2018 without a remainder.

1,2,1009,2018

Factors of 2021

List of positive integer factors of 2021 that divides 2021 without a remainder.

1,43,47,2021

Greatest Common Factor

We found the factors and prime factorization of 2018 and 2021. The biggest common factor number is the GCF number.
So the greatest common factor 2018 and 2021 is 1.

Also check out the Least Common Multiple of 2018 and 2021

Properties of GCF 2018 and 2021

(i) The GCF of 2018 and 2021 is associative

GCF of 2018 and 2021 = GCF of 2021 and 2018

Related Greatest Common Factor of 2018

Related Greatest Common Factor of 2021

Frequently Asked Questions on GCF of 2018 and 2021

1. What is the GCF of 2018 and 2021?

Answer: GCF of 2018 and 2021 is 1.

2. What are the Factors of 2018?

Answer: Factors of 2018 are 1, 2, 1009, 2018. There are 4 integers that are factors of 2018. The greatest factor of 2018 is 2018.

3. What are the Factors of 2021?

Answer: Factors of 2021 are 1, 43, 47, 2021. There are 4 integers that are factors of 2021. The greatest factor of 2021 is 2021.

4. How to Find the GCF of 2018 and 2021?

Answer:

Greatest Common Factor of 2018 and 2021 = 1

Step 1: Find the prime factorization of 2018

2018 = 2 x 1009

Step 2: Find the prime factorization of 2021

2021 = 43 x 47

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 2018 and 2021 is 1