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, 814 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 810 and 814 is 2.
GCF(810,814) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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 814
2 | 814 |
11 | 407 |
37 | 37 |
1 |
Prime factors of 814 are 2,11,37. Prime factorization of 814 in exponential form is:
814 = 21×111×371
∴ So by taking common prime factors GCF of 810 and 814 is 2
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 814
List of positive integer factors of 814 that divides 814 without a remainder.
1,2,11,22,37,74,407,814
Greatest Common Factor
We found the factors and prime factorization of 810 and 814. The biggest common factor number is the GCF number.
So the greatest common factor 810 and 814 is 2.
Also check out the Least Common Multiple of 810 and 814
(i) The GCF of 810 and 814 is associative
GCF of 810 and 814 = GCF of 814 and 810
1. What is the GCF of 810 and 814?
Answer: GCF of 810 and 814 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 814?
Answer: Factors of 814 are 1, 2, 11, 22, 37, 74, 407, 814. There are 8 integers that are factors of 814. The greatest factor of 814 is 814.
4. How to Find the GCF of 810 and 814?
Answer:
Greatest Common Factor of 810 and 814 = 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 814
814 = 2 x 11 x 37
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 814 is 2