What is the Greatest Common Factor of 28836 and 28851?

Greatest common factor (GCF) of 28836 and 28851 is 3.

GCF(28836,28851) = 3

We will now calculate the prime factors of 28836 and 28851, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28836 and 28851.

How to find the GCF of 28836 and 28851?

We will first find the prime factorization of 28836 and 28851. After we will calculate the factors of 28836 and 28851 and find the biggest common factor number .

Step-1: Prime Factorization of 28836

Prime factors of 28836 are 2, 3, 89. Prime factorization of 28836 in exponential form is:

28836 = 2² × 3⁴ × 89¹

Step-2: Prime Factorization of 28851

Prime factors of 28851 are 3, 59, 163. Prime factorization of 28851 in exponential form is:

28851 = 3¹ × 59¹ × 163¹

Step-3: Factors of 28836

List of positive integer factors of 28836 that divides 28836 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 267, 324, 356, 534, 801, 1068, 1602, 2403, 3204, 4806, 7209, 9612, 14418

Step-4: Factors of 28851

List of positive integer factors of 28851 that divides 28836 without a remainder.

1, 3, 59, 163, 177, 489, 9617

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28836 and 28851. The biggest common factor number is the GCF number.
So the greatest common factor 28836 and 28851 is 3.

Also check out the Least Common Multiple of 28836 and 28851