What is the Greatest Common Factor of 28356 and 28371?

Greatest common factor (GCF) of 28356 and 28371 is 3.

GCF(28356,28371) = 3

We will now calculate the prime factors of 28356 and 28371, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28356 and 28371.

How to find the GCF of 28356 and 28371?

We will first find the prime factorization of 28356 and 28371. After we will calculate the factors of 28356 and 28371 and find the biggest common factor number .

Step-1: Prime Factorization of 28356

Prime factors of 28356 are 2, 3, 17, 139. Prime factorization of 28356 in exponential form is:

28356 = 2² × 3¹ × 17¹ × 139¹

Step-2: Prime Factorization of 28371

Prime factors of 28371 are 3, 7, 193. Prime factorization of 28371 in exponential form is:

28371 = 3¹ × 7² × 193¹

Step-3: Factors of 28356

List of positive integer factors of 28356 that divides 28356 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 139, 204, 278, 417, 556, 834, 1668, 2363, 4726, 7089, 9452, 14178

Step-4: Factors of 28371

List of positive integer factors of 28371 that divides 28356 without a remainder.

1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053, 9457

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28356 and 28371. The biggest common factor number is the GCF number.
So the greatest common factor 28356 and 28371 is 3.

Also check out the Least Common Multiple of 28356 and 28371