What is the Greatest Common Factor of 28791 and 28807?

Greatest common factor (GCF) of 28791 and 28807 is 1.

GCF(28791,28807) = 1

We will now calculate the prime factors of 28791 and 28807, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28791 and 28807.

How to find the GCF of 28791 and 28807?

We will first find the prime factorization of 28791 and 28807. After we will calculate the factors of 28791 and 28807 and find the biggest common factor number .

Step-1: Prime Factorization of 28791

Prime factors of 28791 are 3, 7, 457. Prime factorization of 28791 in exponential form is:

28791 = 3² × 7¹ × 457¹

Step-2: Prime Factorization of 28807

Prime factors of 28807 are 28807. Prime factorization of 28807 in exponential form is:

28807 = 28807¹

Step-3: Factors of 28791

List of positive integer factors of 28791 that divides 28791 without a remainder.

1, 3, 7, 9, 21, 63, 457, 1371, 3199, 4113, 9597

Step-4: Factors of 28807

List of positive integer factors of 28807 that divides 28791 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28791 and 28807. The biggest common factor number is the GCF number.
So the greatest common factor 28791 and 28807 is 1.

Also check out the Least Common Multiple of 28791 and 28807