Greatest Common Factor of 6420 and 6426

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, 6426 i.e. 6 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 6420 and 6426 is 6.

GCF(6420,6426) = 6

GCF of 6420 and 6426

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

GCF of:
and

Greatest Common Factor of 6420 and 6426

GCF of 6420 and 6426 is 6

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 6426


2 6426
3 3213
3 1071
3 357
7 119
17 17
1

Prime factors of 6426 are 2,3,7,17. Prime factorization of 6426 in exponential form is:

6426 = 21×33×71×171

∴ So by taking common prime factors GCF of 6420 and 6426 is 6

Greatest Common Factor of 6420 and 6426 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 6426

List of positive integer factors of 6426 that divides 6426 without a remainder.

1,2,3,6,7,9,14,17,18,21,27,34,42,51,54,63,102,119,126,153,189,238,306,357,378,459,714,918,1071,2142,3213,6426

Greatest Common Factor

We found the factors and prime factorization of 6420 and 6426. The biggest common factor number is the GCF number.
So the greatest common factor 6420 and 6426 is 6.

Also check out the Least Common Multiple of 6420 and 6426

Properties of GCF 6420 and 6426

(i) The GCF of 6420 and 6426 is associative

GCF of 6420 and 6426 = GCF of 6426 and 6420

Frequently Asked Questions on GCF of 6420 and 6426

1. What is the GCF of 6420 and 6426?

Answer: GCF of 6420 and 6426 is 6.

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 6426?

Answer: Factors of 6426 are 1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426. There are 32 integers that are factors of 6426. The greatest factor of 6426 is 6426.

4. How to Find the GCF of 6420 and 6426?

Answer:

Greatest Common Factor of 6420 and 6426 = 6

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 6426

6426 = 2 x 3 x 3 x 3 x 7 x 17

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

GCF = 2 x 3 = 6

Step 4: Therefore, the greatest common factor of 6420 and 6426 is 6