What is the Greatest Common Factor of 810 and 823?
Greatest common factor (GCF) of 810 and 823 is 1.
GCF(810,823) = 1
We will now calculate the prime factors of 810 and 823, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 810 and 823.
How to find the GCF of 810 and 823?
We will first find the prime factorization of 810 and 823. After we will calculate the factors of 810 and 823 and find the biggest common factor number .
Step-1: Prime Factorization of 810
Prime factors of 810 are 2, 3, 5. Prime factorization of 810 in exponential form is:
810 = 21 × 34 × 51
Step-2: Prime Factorization of 823
Prime factors of 823 are 823. Prime factorization of 823 in exponential form is:
823 = 8231
Step-3: 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
Step-4: Factors of 823
List of positive integer factors of 823 that divides 810 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 810 and 823. The biggest common factor number is the GCF number.
So the greatest common factor 810 and 823 is 1.
Also check out the Least Common Multiple of 810 and 823
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