Greatest Common Factor of 1621 and 1623

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 1621, 1623 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1621 and 1623 is 1.

GCF(1621,1623) = 1

GCF of 1621 and 1623

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

GCF of:
and

Greatest Common Factor of 1621 and 1623

GCF of 1621 and 1623 is 1

Prime Factorization of 1621


1621 1621
1

Prime factors of 1621 are 1621. Prime factorization of 1621 in exponential form is:

1621 = 16211

Prime Factorization of 1623


3 1623
541 541
1

Prime factors of 1623 are 3.Prime factorization of 1623 in exponential form is:

1623 = 31×5411

∴ So by taking common prime factors GCF of 1621 and 1623 is 1

Greatest Common Factor of 1621 and 1623 by matching factors method

Factors of 1621

List of positive integer factors of 1621 that divides 1621 without a remainder.

1,1621

Factors of 1623

List of positive integer factors of 1623 that divides 1623 without a remainder.

1,3,541,1623

Greatest Common Factor

We found the factors and prime factorization of 1621 and 1623. The biggest common factor number is the GCF number.
So the greatest common factor 1621 and 1623 is 1.

Also check out the Least Common Multiple of 1621 and 1623

Properties of GCF 1621 and 1623

(i) The GCF of 1621 and 1623 is associative

GCF of 1621 and 1623 = GCF of 1623 and 1621

Frequently Asked Questions on GCF of 1621 and 1623

1. What is the GCF of 1621 and 1623?

Answer: GCF of 1621 and 1623 is 1.

2. What are the Factors of 1621?

Answer: Factors of 1621 are 1, 1621. There are 2 integers that are factors of 1621. The greatest factor of 1621 is 1621.

3. What are the Factors of 1623?

Answer: Factors of 1623 are 1, 3, 541, 1623. There are 4 integers that are factors of 1623. The greatest factor of 1623 is 1623.

4. How to Find the GCF of 1621 and 1623?

Answer:

Greatest Common Factor of 1621 and 1623 = 1

Step 1: Find the prime factorization of 1621

1621 = 1621

Step 2: Find the prime factorization of 1623

1623 = 3 x 541

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 1621 and 1623 is 1