Greatest Common Factor of 806 and 810

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 806, 810 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 806 and 810 is 2.

GCF(806,810) = 2

GCF of 806 and 810

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

GCF of:
and

Greatest Common Factor of 806 and 810

GCF of 806 and 810 is 2

Prime Factorization of 806


2 806
13 403
31 31
1

Prime factors of 806 are 2,13,31. Prime factorization of 806 in exponential form is:

806 = 21×131×311

Prime Factorization of 810


2 810
3 405
3 135
3 45
3 15
5 5
1

Prime factors of 810 are 2,3,5. Prime factorization of 810 in exponential form is:

810 = 21×34×51

∴ So by taking common prime factors GCF of 806 and 810 is 2

Greatest Common Factor of 806 and 810 by matching factors method

Factors of 806

List of positive integer factors of 806 that divides 806 without a remainder.

1,2,13,26,31,62,403,806

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Greatest Common Factor

We found the factors and prime factorization of 806 and 810. The biggest common factor number is the GCF number.
So the greatest common factor 806 and 810 is 2.

Also check out the Least Common Multiple of 806 and 810

Properties of GCF 806 and 810

(i) The GCF of 806 and 810 is associative

GCF of 806 and 810 = GCF of 810 and 806

Frequently Asked Questions on GCF of 806 and 810

1. What is the GCF of 806 and 810?

Answer: GCF of 806 and 810 is 2.

2. What are the Factors of 806?

Answer: Factors of 806 are 1, 2, 13, 26, 31, 62, 403, 806. There are 8 integers that are factors of 806. The greatest factor of 806 is 806.

3. What are the Factors of 810?

Answer: Factors of 810 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810. There are 20 integers that are factors of 810. The greatest factor of 810 is 810.

4. How to Find the GCF of 806 and 810?

Answer:

Greatest Common Factor of 806 and 810 = 2

Step 1: Find the prime factorization of 806

806 = 2 x 13 x 31

Step 2: Find the prime factorization of 810

810 = 2 x 3 x 3 x 3 x 3 x 5

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 806 and 810 is 2