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
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
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
(i) The GCF of 806 and 810 is associative
GCF of 806 and 810 = GCF of 810 and 806
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