Greatest Common Factor of 6420 and 6422

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 6420, 6422 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 6420 and 6422 is 2.

GCF(6420,6422) = 2

GCF of 6420 and 6422

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

GCF of:
and

Greatest Common Factor of 6420 and 6422

GCF of 6420 and 6422 is 2

Prime Factorization of 6420


2 6420
2 3210
3 1605
5 535
107 107
1

Prime factors of 6420 are 2,3,5,107. Prime factorization of 6420 in exponential form is:

6420 = 22×31×51×1071

Prime Factorization of 6422


2 6422
13 3211
13 247
19 19
1

Prime factors of 6422 are 2,13,19. Prime factorization of 6422 in exponential form is:

6422 = 21×132×191

∴ So by taking common prime factors GCF of 6420 and 6422 is 2

Greatest Common Factor of 6420 and 6422 by matching factors method

Factors of 6420

List of positive integer factors of 6420 that divides 6420 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60,107,214,321,428,535,642,1070,1284,1605,2140,3210,6420

Factors of 6422

List of positive integer factors of 6422 that divides 6422 without a remainder.

1,2,13,19,26,38,169,247,338,494,3211,6422

Greatest Common Factor

We found the factors and prime factorization of 6420 and 6422. The biggest common factor number is the GCF number.
So the greatest common factor 6420 and 6422 is 2.

Also check out the Least Common Multiple of 6420 and 6422

Properties of GCF 6420 and 6422

(i) The GCF of 6420 and 6422 is associative

GCF of 6420 and 6422 = GCF of 6422 and 6420

Related Greatest Common Factor of 6420

Related Greatest Common Factor of 6422

Frequently Asked Questions on GCF of 6420 and 6422

1. What is the GCF of 6420 and 6422?

Answer: GCF of 6420 and 6422 is 2.

2. What are the Factors of 6420?

Answer: Factors of 6420 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420. There are 24 integers that are factors of 6420. The greatest factor of 6420 is 6420.

3. What are the Factors of 6422?

Answer: Factors of 6422 are 1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 6422. There are 12 integers that are factors of 6422. The greatest factor of 6422 is 6422.

4. How to Find the GCF of 6420 and 6422?

Answer:

Greatest Common Factor of 6420 and 6422 = 2

Step 1: Find the prime factorization of 6420

6420 = 2 x 2 x 3 x 5 x 107

Step 2: Find the prime factorization of 6422

6422 = 2 x 13 x 13 x 19

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2

Step 4: Therefore, the greatest common factor of 6420 and 6422 is 2