What is the Greatest Common Factor of 809 and 813?
Greatest common factor (GCF) of 809 and 813 is 1.
GCF(809,813) = 1
We will now calculate the prime factors of 809 and 813, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 809 and 813.
How to find the GCF of 809 and 813?
We will first find the prime factorization of 809 and 813. After we will calculate the factors of 809 and 813 and find the biggest common factor number .
Step-1: Prime Factorization of 809
Prime factors of 809 are 809. Prime factorization of 809 in exponential form is:
809 = 8091
Step-2: Prime Factorization of 813
Prime factors of 813 are 3, 271. Prime factorization of 813 in exponential form is:
813 = 31 × 2711
Step-3: Factors of 809
List of positive integer factors of 809 that divides 809 without a remainder.
1
Step-4: Factors of 813
List of positive integer factors of 813 that divides 809 without a remainder.
1, 3, 271
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 809 and 813. The biggest common factor number is the GCF number.
So the greatest common factor 809 and 813 is 1.
Also check out the Least Common Multiple of 809 and 813
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