What is the Greatest Common Factor of 28553 and 28561?

Greatest common factor (GCF) of 28553 and 28561 is 1.

GCF(28553,28561) = 1

We will now calculate the prime factors of 28553 and 28561, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28553 and 28561.

How to find the GCF of 28553 and 28561?

We will first find the prime factorization of 28553 and 28561. After we will calculate the factors of 28553 and 28561 and find the biggest common factor number .

Step-1: Prime Factorization of 28553

Prime factors of 28553 are 7, 4079. Prime factorization of 28553 in exponential form is:

28553 = 7¹ × 4079¹

Step-2: Prime Factorization of 28561

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

28561 = 13⁴

Step-3: Factors of 28553

List of positive integer factors of 28553 that divides 28553 without a remainder.

1, 7, 4079

Step-4: Factors of 28561

List of positive integer factors of 28561 that divides 28553 without a remainder.

1, 13, 169, 2197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28553 and 28561. The biggest common factor number is the GCF number.
So the greatest common factor 28553 and 28561 is 1.

Also check out the Least Common Multiple of 28553 and 28561