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 807, 809 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 807 and 809 is 1.
GCF(807,809) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 807
3 | 807 |
269 | 269 |
1 |
Prime factors of 807 are 3,269. Prime factorization of 807 in exponential form is:
807 = 31×2691
Prime Factorization of 809
809 | 809 |
1 |
Prime factors of 809 are 809. Prime factorization of 809 in exponential form is:
809 = 8091
∴ So by taking common prime factors GCF of 807 and 809 is 1
Factors of 807
List of positive integer factors of 807 that divides 807 without a remainder.
1,3,269,807
Factors of 809
List of positive integer factors of 809 that divides 809 without a remainder.
1,809
Greatest Common Factor
We found the factors and prime factorization of 807 and 809. The biggest common factor number is the GCF number.
So the greatest common factor 807 and 809 is 1.
Also check out the Least Common Multiple of 807 and 809
(i) The GCF of 807 and 809 is associative
GCF of 807 and 809 = GCF of 809 and 807
1. What is the GCF of 807 and 809?
Answer: GCF of 807 and 809 is 1.
2. What are the Factors of 807?
Answer: Factors of 807 are 1, 3, 269, 807. There are 4 integers that are factors of 807. The greatest factor of 807 is 807.
3. 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.
4. How to Find the GCF of 807 and 809?
Answer:
Greatest Common Factor of 807 and 809 = 1
Step 1: Find the prime factorization of 807
807 = 3 x 269
Step 2: Find the prime factorization of 809
809 = 809
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 807 and 809 is 1