What is the Greatest Common Factor of 28561 and 28573?

Greatest common factor (GCF) of 28561 and 28573 is 1.

GCF(28561,28573) = 1

We will now calculate the prime factors of 28561 and 28573, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28561 and 28573.

How to find the GCF of 28561 and 28573?

We will first find the prime factorization of 28561 and 28573. After we will calculate the factors of 28561 and 28573 and find the biggest common factor number .

Step-1: Prime Factorization of 28561

Prime factors of 28561 are 13. Prime factorization of 28561 in exponential form is:

28561 = 13⁴

Step-2: Prime Factorization of 28573

Prime factors of 28573 are 28573. Prime factorization of 28573 in exponential form is:

28573 = 28573¹

Step-3: Factors of 28561

List of positive integer factors of 28561 that divides 28561 without a remainder.

1, 13, 169, 2197

Step-4: Factors of 28573

List of positive integer factors of 28573 that divides 28561 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28561 and 28573. The biggest common factor number is the GCF number.
So the greatest common factor 28561 and 28573 is 1.

Also check out the Least Common Multiple of 28561 and 28573