What is the Greatest Common Factor of 77823 and 77838?

Greatest common factor (GCF) of 77823 and 77838 is 3.

GCF(77823,77838) = 3

We will now calculate the prime factors of 77823 and 77838, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77823 and 77838.

How to find the GCF of 77823 and 77838?

We will first find the prime factorization of 77823 and 77838. After we will calculate the factors of 77823 and 77838 and find the biggest common factor number .

Step-1: Prime Factorization of 77823

Prime factors of 77823 are 3, 8647. Prime factorization of 77823 in exponential form is:

77823 = 3² × 8647¹

Step-2: Prime Factorization of 77838

Prime factors of 77838 are 2, 3, 12973. Prime factorization of 77838 in exponential form is:

77838 = 2¹ × 3¹ × 12973¹

Step-3: Factors of 77823

List of positive integer factors of 77823 that divides 77823 without a remainder.

1, 3, 9, 8647, 25941

Step-4: Factors of 77838

List of positive integer factors of 77838 that divides 77823 without a remainder.

1, 2, 3, 6, 12973, 25946, 38919

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77823 and 77838. The biggest common factor number is the GCF number.
So the greatest common factor 77823 and 77838 is 3.

Also check out the Least Common Multiple of 77823 and 77838