Greatest Common Factor of 2001 and 2003

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 2001, 2003 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 2001 and 2003 is 1.

GCF(2001,2003) = 1

GCF of 2001 and 2003

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

GCF of:
and

Greatest Common Factor of 2001 and 2003

GCF of 2001 and 2003 is 1

Prime Factorization of 2001


3 2001
23 667
29 29
1

Prime factors of 2001 are 3,23,29. Prime factorization of 2001 in exponential form is:

2001 = 31×231×291

Prime Factorization of 2003


2003 2003
1

Prime factors of 2003 are 2003. Prime factorization of 2003 in exponential form is:

2003 = 20031

∴ So by taking common prime factors GCF of 2001 and 2003 is 1

Greatest Common Factor of 2001 and 2003 by matching factors method

Factors of 2001

List of positive integer factors of 2001 that divides 2001 without a remainder.

1,3,23,29,69,87,667,2001

Factors of 2003

List of positive integer factors of 2003 that divides 2003 without a remainder.

1,2003

Greatest Common Factor

We found the factors and prime factorization of 2001 and 2003. The biggest common factor number is the GCF number.
So the greatest common factor 2001 and 2003 is 1.

Also check out the Least Common Multiple of 2001 and 2003

Properties of GCF 2001 and 2003

(i) The GCF of 2001 and 2003 is associative

GCF of 2001 and 2003 = GCF of 2003 and 2001

Frequently Asked Questions on GCF of 2001 and 2003

1. What is the GCF of 2001 and 2003?

Answer: GCF of 2001 and 2003 is 1.

2. What are the Factors of 2001?

Answer: Factors of 2001 are 1, 3, 23, 29, 69, 87, 667, 2001. There are 8 integers that are factors of 2001. The greatest factor of 2001 is 2001.

3. What are the Factors of 2003?

Answer: Factors of 2003 are 1, 2003. There are 2 integers that are factors of 2003. The greatest factor of 2003 is 2003.

4. How to Find the GCF of 2001 and 2003?

Answer:

Greatest Common Factor of 2001 and 2003 = 1

Step 1: Find the prime factorization of 2001

2001 = 3 x 23 x 29

Step 2: Find the prime factorization of 2003

2003 = 2003

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 2001 and 2003 is 1