What is the Greatest Common Factor of 28870 and 28889?

Greatest common factor (GCF) of 28870 and 28889 is 1.

GCF(28870,28889) = 1

We will now calculate the prime factors of 28870 and 28889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28870 and 28889.

How to find the GCF of 28870 and 28889?

We will first find the prime factorization of 28870 and 28889. After we will calculate the factors of 28870 and 28889 and find the biggest common factor number .

Step-1: Prime Factorization of 28870

Prime factors of 28870 are 2, 5, 2887. Prime factorization of 28870 in exponential form is:

28870 = 2¹ × 5¹ × 2887¹

Step-2: Prime Factorization of 28889

Prime factors of 28889 are 7, 4127. Prime factorization of 28889 in exponential form is:

28889 = 7¹ × 4127¹

Step-3: Factors of 28870

List of positive integer factors of 28870 that divides 28870 without a remainder.

1, 2, 5, 10, 2887, 5774, 14435

Step-4: Factors of 28889

List of positive integer factors of 28889 that divides 28870 without a remainder.

1, 7, 4127

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28870 and 28889. The biggest common factor number is the GCF number.
So the greatest common factor 28870 and 28889 is 1.

Also check out the Least Common Multiple of 28870 and 28889