What is the Greatest Common Factor of 28915 and 28925?

Greatest common factor (GCF) of 28915 and 28925 is 5.

GCF(28915,28925) = 5

We will now calculate the prime factors of 28915 and 28925, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28915 and 28925.

How to find the GCF of 28915 and 28925?

We will first find the prime factorization of 28915 and 28925. After we will calculate the factors of 28915 and 28925 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 28925

Prime factors of 28925 are 5, 13, 89. Prime factorization of 28925 in exponential form is:

28925 = 5² × 13¹ × 89¹

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 28925

List of positive integer factors of 28925 that divides 28915 without a remainder.

1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 5785

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28915 and 28925. The biggest common factor number is the GCF number.
So the greatest common factor 28915 and 28925 is 5.

Also check out the Least Common Multiple of 28915 and 28925