What is the Greatest Common Factor of 28521 and 28536?

Greatest common factor (GCF) of 28521 and 28536 is 3.

GCF(28521,28536) = 3

We will now calculate the prime factors of 28521 and 28536, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28521 and 28536.

How to find the GCF of 28521 and 28536?

We will first find the prime factorization of 28521 and 28536. After we will calculate the factors of 28521 and 28536 and find the biggest common factor number .

Step-1: Prime Factorization of 28521

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

28521 = 3² × 3169¹

Step-2: Prime Factorization of 28536

Prime factors of 28536 are 2, 3, 29, 41. Prime factorization of 28536 in exponential form is:

28536 = 2³ × 3¹ × 29¹ × 41¹

Step-3: Factors of 28521

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

1, 3, 9, 3169, 9507

Step-4: Factors of 28536

List of positive integer factors of 28536 that divides 28521 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 29, 41, 58, 82, 87, 116, 123, 164, 174, 232, 246, 328, 348, 492, 696, 984, 1189, 2378, 3567, 4756, 7134, 9512, 14268

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28521 and 28536. The biggest common factor number is the GCF number.
So the greatest common factor 28521 and 28536 is 3.

Also check out the Least Common Multiple of 28521 and 28536