What is the Greatest Common Factor of 809 and 825?
Greatest common factor (GCF) of 809 and 825 is 1.
GCF(809,825) = 1
We will now calculate the prime factors of 809 and 825, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 809 and 825.
How to find the GCF of 809 and 825?
We will first find the prime factorization of 809 and 825. After we will calculate the factors of 809 and 825 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 825
Prime factors of 825 are 3, 5, 11. Prime factorization of 825 in exponential form is:
825 = 31 × 52 × 111
Step-3: Factors of 809
List of positive integer factors of 809 that divides 809 without a remainder.
1
Step-4: Factors of 825
List of positive integer factors of 825 that divides 809 without a remainder.
1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 809 and 825. The biggest common factor number is the GCF number.
So the greatest common factor 809 and 825 is 1.
Also check out the Least Common Multiple of 809 and 825
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