What is the Greatest Common Factor of 28775 and 28781?

Greatest common factor (GCF) of 28775 and 28781 is 1.

GCF(28775,28781) = 1

We will now calculate the prime factors of 28775 and 28781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28775 and 28781.

How to find the GCF of 28775 and 28781?

We will first find the prime factorization of 28775 and 28781. After we will calculate the factors of 28775 and 28781 and find the biggest common factor number .

Step-1: Prime Factorization of 28775

Prime factors of 28775 are 5, 1151. Prime factorization of 28775 in exponential form is:

28775 = 5² × 1151¹

Step-2: Prime Factorization of 28781

Prime factors of 28781 are 17, 1693. Prime factorization of 28781 in exponential form is:

28781 = 17¹ × 1693¹

Step-3: Factors of 28775

List of positive integer factors of 28775 that divides 28775 without a remainder.

1, 5, 25, 1151, 5755

Step-4: Factors of 28781

List of positive integer factors of 28781 that divides 28775 without a remainder.

1, 17, 1693

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28775 and 28781. The biggest common factor number is the GCF number.
So the greatest common factor 28775 and 28781 is 1.

Also check out the Least Common Multiple of 28775 and 28781