What is the Greatest Common Factor of 28757 and 28764?

Greatest common factor (GCF) of 28757 and 28764 is 1.

GCF(28757,28764) = 1

We will now calculate the prime factors of 28757 and 28764, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28757 and 28764.

How to find the GCF of 28757 and 28764?

We will first find the prime factorization of 28757 and 28764. After we will calculate the factors of 28757 and 28764 and find the biggest common factor number .

Step-1: Prime Factorization of 28757

Prime factors of 28757 are 149, 193. Prime factorization of 28757 in exponential form is:

28757 = 149¹ × 193¹

Step-2: Prime Factorization of 28764

Prime factors of 28764 are 2, 3, 17, 47. Prime factorization of 28764 in exponential form is:

28764 = 2² × 3² × 17¹ × 47¹

Step-3: Factors of 28757

List of positive integer factors of 28757 that divides 28757 without a remainder.

1, 149, 193

Step-4: Factors of 28764

List of positive integer factors of 28764 that divides 28757 without a remainder.

1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 423, 564, 612, 799, 846, 1598, 1692, 2397, 3196, 4794, 7191, 9588, 14382

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28757 and 28764. The biggest common factor number is the GCF number.
So the greatest common factor 28757 and 28764 is 1.

Also check out the Least Common Multiple of 28757 and 28764