What is the Greatest Common Factor of 810 and 814?
Greatest common factor (GCF) of 810 and 814 is 2.
GCF(810,814) = 2
We will now calculate the prime factors of 810 and 814, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 810 and 814.
How to find the GCF of 810 and 814?
We will first find the prime factorization of 810 and 814. After we will calculate the factors of 810 and 814 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 814
Prime factors of 814 are 2, 11, 37. Prime factorization of 814 in exponential form is:
814 = 21 × 111 × 371
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 814
List of positive integer factors of 814 that divides 810 without a remainder.
1, 2, 11, 22, 37, 74, 407
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 810 and 814. The biggest common factor number is the GCF number.
So the greatest common factor 810 and 814 is 2.
Also check out the Least Common Multiple of 810 and 814
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