Greatest Common Factor of 802 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 802, 810 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 802 and 810 is 2.

GCF(802,810) = 2

GCF of 802 and 810

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

GCF of:
and

Greatest Common Factor of 802 and 810

GCF of 802 and 810 is 2

Prime Factorization of 802


2 802
401 401
1

Prime factors of 802 are 2,401. Prime factorization of 802 in exponential form is:

802 = 21×4011

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 802 and 810 is 2

Greatest Common Factor of 802 and 810 by matching factors method

Factors of 802

List of positive integer factors of 802 that divides 802 without a remainder.

1,2,401,802

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 802 and 810. The biggest common factor number is the GCF number.
So the greatest common factor 802 and 810 is 2.

Also check out the Least Common Multiple of 802 and 810

Properties of GCF 802 and 810

(i) The GCF of 802 and 810 is associative

GCF of 802 and 810 = GCF of 810 and 802

Related Greatest Common Factor of 802

Related Greatest Common Factor of 810

Frequently Asked Questions on GCF of 802 and 810

1. What is the GCF of 802 and 810?

Answer: GCF of 802 and 810 is 2.

2. What are the Factors of 802?

Answer: Factors of 802 are 1, 2, 401, 802. There are 4 integers that are factors of 802. The greatest factor of 802 is 802.

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 802 and 810?

Answer:

Greatest Common Factor of 802 and 810 = 2

Step 1: Find the prime factorization of 802

802 = 2 x 401

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 802 and 810 is 2