What is the Greatest Common Factor of 28856 and 28870?

Greatest common factor (GCF) of 28856 and 28870 is 2.

GCF(28856,28870) = 2

We will now calculate the prime factors of 28856 and 28870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28856 and 28870.

How to find the GCF of 28856 and 28870?

We will first find the prime factorization of 28856 and 28870. After we will calculate the factors of 28856 and 28870 and find the biggest common factor number .

Step-1: Prime Factorization of 28856

Prime factors of 28856 are 2, 3607. Prime factorization of 28856 in exponential form is:

28856 = 2³ × 3607¹

Step-2: 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-3: Factors of 28856

List of positive integer factors of 28856 that divides 28856 without a remainder.

1, 2, 4, 8, 3607, 7214, 14428

Step-4: Factors of 28870

List of positive integer factors of 28870 that divides 28856 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28856 and 28870. The biggest common factor number is the GCF number.
So the greatest common factor 28856 and 28870 is 2.

Also check out the Least Common Multiple of 28856 and 28870