What is the Greatest Common Factor of 28605 and 28621?

Greatest common factor (GCF) of 28605 and 28621 is 1.

GCF(28605,28621) = 1

We will now calculate the prime factors of 28605 and 28621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28605 and 28621.

How to find the GCF of 28605 and 28621?

We will first find the prime factorization of 28605 and 28621. After we will calculate the factors of 28605 and 28621 and find the biggest common factor number .

Step-1: Prime Factorization of 28605

Prime factors of 28605 are 3, 5, 1907. Prime factorization of 28605 in exponential form is:

28605 = 3¹ × 5¹ × 1907¹

Step-2: Prime Factorization of 28621

Prime factors of 28621 are 28621. Prime factorization of 28621 in exponential form is:

28621 = 28621¹

Step-3: Factors of 28605

List of positive integer factors of 28605 that divides 28605 without a remainder.

1, 3, 5, 15, 1907, 5721, 9535

Step-4: Factors of 28621

List of positive integer factors of 28621 that divides 28605 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28605 and 28621. The biggest common factor number is the GCF number.
So the greatest common factor 28605 and 28621 is 1.

Also check out the Least Common Multiple of 28605 and 28621