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 808, 813 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 808 and 813 is 1.
GCF(808,813) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 808
2 | 808 |
2 | 404 |
2 | 202 |
101 | 101 |
1 |
Prime factors of 808 are 2,101. Prime factorization of 808 in exponential form is:
808 = 23×1011
Prime Factorization of 813
3 | 813 |
271 | 271 |
1 |
Prime factors of 813 are 3,271. Prime factorization of 813 in exponential form is:
813 = 31×2711
∴ So by taking common prime factors GCF of 808 and 813 is 1
Factors of 808
List of positive integer factors of 808 that divides 808 without a remainder.
1,2,4,8,101,202,404,808
Factors of 813
List of positive integer factors of 813 that divides 813 without a remainder.
1,3,271,813
Greatest Common Factor
We found the factors and prime factorization of 808 and 813. The biggest common factor number is the GCF number.
So the greatest common factor 808 and 813 is 1.
Also check out the Least Common Multiple of 808 and 813
(i) The GCF of 808 and 813 is associative
GCF of 808 and 813 = GCF of 813 and 808
1. What is the GCF of 808 and 813?
Answer: GCF of 808 and 813 is 1.
2. What are the Factors of 808?
Answer: Factors of 808 are 1, 2, 4, 8, 101, 202, 404, 808. There are 8 integers that are factors of 808. The greatest factor of 808 is 808.
3. What are the Factors of 813?
Answer: Factors of 813 are 1, 3, 271, 813. There are 4 integers that are factors of 813. The greatest factor of 813 is 813.
4. How to Find the GCF of 808 and 813?
Answer:
Greatest Common Factor of 808 and 813 = 1
Step 1: Find the prime factorization of 808
808 = 2 x 2 x 2 x 101
Step 2: Find the prime factorization of 813
813 = 3 x 271
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 808 and 813 is 1