What is the Greatest Common Factor of 28507 and 28521?

Greatest common factor (GCF) of 28507 and 28521 is 1.

GCF(28507,28521) = 1

We will now calculate the prime factors of 28507 and 28521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28507 and 28521.

How to find the GCF of 28507 and 28521?

We will first find the prime factorization of 28507 and 28521. After we will calculate the factors of 28507 and 28521 and find the biggest common factor number .

Step-1: Prime Factorization of 28507

Prime factors of 28507 are 29, 983. Prime factorization of 28507 in exponential form is:

28507 = 29¹ × 983¹

Step-2: Prime Factorization of 28521

Prime factors of 28521 are 3, 3169. Prime factorization of 28521 in exponential form is:

28521 = 3² × 3169¹

Step-3: Factors of 28507

List of positive integer factors of 28507 that divides 28507 without a remainder.

1, 29, 983

Step-4: Factors of 28521

List of positive integer factors of 28521 that divides 28507 without a remainder.

1, 3, 9, 3169, 9507

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28507 and 28521. The biggest common factor number is the GCF number.
So the greatest common factor 28507 and 28521 is 1.

Also check out the Least Common Multiple of 28507 and 28521