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 809, 810 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 809 and 810 is 1.
GCF(809,810) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 809
809 | 809 |
1 |
Prime factors of 809 are 809. Prime factorization of 809 in exponential form is:
809 = 8091
Prime Factorization of 810
2 | 810 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 810 are 2.Prime factorization of 810 in exponential form is:
810 = 21×34×51
∴ So by taking common prime factors GCF of 809 and 810 is 1
Factors of 809
List of positive integer factors of 809 that divides 809 without a remainder.
1,809
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 809 and 810. The biggest common factor number is the GCF number.
So the greatest common factor 809 and 810 is 1.
Also check out the Least Common Multiple of 809 and 810
(i) The GCF of 809 and 810 is associative
GCF of 809 and 810 = GCF of 810 and 809
1. What is the GCF of 809 and 810?
Answer: GCF of 809 and 810 is 1.
2. What are the Factors of 809?
Answer: Factors of 809 are 1, 809. There are 2 integers that are factors of 809. The greatest factor of 809 is 809.
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 809 and 810?
Answer:
Greatest Common Factor of 809 and 810 = 1
Step 1: Find the prime factorization of 809
809 = 809
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 = = 1
Step 4: Therefore, the greatest common factor of 809 and 810 is 1