What is the Greatest Common Factor of 28915 and 28935?

Greatest common factor (GCF) of 28915 and 28935 is 5.

GCF(28915,28935) = 5

We will now calculate the prime factors of 28915 and 28935, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28915 and 28935.

How to find the GCF of 28915 and 28935?

We will first find the prime factorization of 28915 and 28935. After we will calculate the factors of 28915 and 28935 and find the biggest common factor number .

Step-1: Prime Factorization of 28915

Prime factors of 28915 are 5, 5783. Prime factorization of 28915 in exponential form is:

28915 = 5¹ × 5783¹

Step-2: Prime Factorization of 28935

Prime factors of 28935 are 3, 5, 643. Prime factorization of 28935 in exponential form is:

28935 = 3² × 5¹ × 643¹

Step-3: Factors of 28915

List of positive integer factors of 28915 that divides 28915 without a remainder.

1, 5, 5783

Step-4: Factors of 28935

List of positive integer factors of 28935 that divides 28915 without a remainder.

1, 3, 5, 9, 15, 45, 643, 1929, 3215, 5787, 9645

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28915 and 28935. The biggest common factor number is the GCF number.
So the greatest common factor 28915 and 28935 is 5.

Also check out the Least Common Multiple of 28915 and 28935