Greatest Common Factor of 1621 and 1628

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, 1628 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1621 and 1628 is 1.

GCF(1621,1628) = 1

GCF of 1621 and 1628

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

GCF of:
and

Greatest Common Factor of 1621 and 1628

GCF of 1621 and 1628 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 1628


2 1628
2 814
11 407
37 37
1

Prime factors of 1628 are 2.Prime factorization of 1628 in exponential form is:

1628 = 22×111×371

∴ So by taking common prime factors GCF of 1621 and 1628 is 1

Greatest Common Factor of 1621 and 1628 by matching factors method

Factors of 1621

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

1,1621

Factors of 1628

List of positive integer factors of 1628 that divides 1628 without a remainder.

1,2,4,11,22,37,44,74,148,407,814,1628

Greatest Common Factor

We found the factors and prime factorization of 1621 and 1628. The biggest common factor number is the GCF number.
So the greatest common factor 1621 and 1628 is 1.

Also check out the Least Common Multiple of 1621 and 1628

Properties of GCF 1621 and 1628

(i) The GCF of 1621 and 1628 is associative

GCF of 1621 and 1628 = GCF of 1628 and 1621

Related Greatest Common Factor of 1621

Related Greatest Common Factor of 1628

Frequently Asked Questions on GCF of 1621 and 1628

1. What is the GCF of 1621 and 1628?

Answer: GCF of 1621 and 1628 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 1628?

Answer: Factors of 1628 are 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628. There are 12 integers that are factors of 1628. The greatest factor of 1628 is 1628.

4. How to Find the GCF of 1621 and 1628?

Answer:

Greatest Common Factor of 1621 and 1628 = 1

Step 1: Find the prime factorization of 1621

1621 = 1621

Step 2: Find the prime factorization of 1628

1628 = 2 x 2 x 11 x 37

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 1628 is 1