What is the Greatest Common Factor of 28805 and 28811?

Greatest common factor (GCF) of 28805 and 28811 is 1.

GCF(28805,28811) = 1

We will now calculate the prime factors of 28805 and 28811, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28805 and 28811.

How to find the GCF of 28805 and 28811?

We will first find the prime factorization of 28805 and 28811. After we will calculate the factors of 28805 and 28811 and find the biggest common factor number .

Step-1: Prime Factorization of 28805

Prime factors of 28805 are 5, 7, 823. Prime factorization of 28805 in exponential form is:

28805 = 5¹ × 7¹ × 823¹

Step-2: Prime Factorization of 28811

Prime factors of 28811 are 47, 613. Prime factorization of 28811 in exponential form is:

28811 = 47¹ × 613¹

Step-3: Factors of 28805

List of positive integer factors of 28805 that divides 28805 without a remainder.

1, 5, 7, 35, 823, 4115, 5761

Step-4: Factors of 28811

List of positive integer factors of 28811 that divides 28805 without a remainder.

1, 47, 613

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28805 and 28811. The biggest common factor number is the GCF number.
So the greatest common factor 28805 and 28811 is 1.

Also check out the Least Common Multiple of 28805 and 28811