Greatest Common Factor of 810 and 818

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 810, 818 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 810 and 818 is 2.

GCF(810,818) = 2

GCF of 810 and 818

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

GCF of:
and

Greatest Common Factor of 810 and 818

GCF of 810 and 818 is 2

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

Prime Factorization of 818


2 818
409 409
1

Prime factors of 818 are 2,409. Prime factorization of 818 in exponential form is:

818 = 21×4091

∴ So by taking common prime factors GCF of 810 and 818 is 2

Greatest Common Factor of 810 and 818 by matching factors method

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

Factors of 818

List of positive integer factors of 818 that divides 818 without a remainder.

1,2,409,818

Greatest Common Factor

We found the factors and prime factorization of 810 and 818. The biggest common factor number is the GCF number.
So the greatest common factor 810 and 818 is 2.

Also check out the Least Common Multiple of 810 and 818

Properties of GCF 810 and 818

(i) The GCF of 810 and 818 is associative

GCF of 810 and 818 = GCF of 818 and 810

Related Greatest Common Factor of 810

Related Greatest Common Factor of 818

Frequently Asked Questions on GCF of 810 and 818

1. What is the GCF of 810 and 818?

Answer: GCF of 810 and 818 is 2.

2. 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.

3. What are the Factors of 818?

Answer: Factors of 818 are 1, 2, 409, 818. There are 4 integers that are factors of 818. The greatest factor of 818 is 818.

4. How to Find the GCF of 810 and 818?

Answer:

Greatest Common Factor of 810 and 818 = 2

Step 1: Find the prime factorization of 810

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

Step 2: Find the prime factorization of 818

818 = 2 x 409

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 810 and 818 is 2