What is the Greatest Common Factor of 28109 and 28125?

Greatest common factor (GCF) of 28109 and 28125 is 1.

GCF(28109,28125) = 1

We will now calculate the prime factors of 28109 and 28125, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28109 and 28125.

How to find the GCF of 28109 and 28125?

We will first find the prime factorization of 28109 and 28125. After we will calculate the factors of 28109 and 28125 and find the biggest common factor number .

Step-1: Prime Factorization of 28109

Prime factors of 28109 are 28109. Prime factorization of 28109 in exponential form is:

28109 = 28109¹

Step-2: Prime Factorization of 28125

Prime factors of 28125 are 3, 5. Prime factorization of 28125 in exponential form is:

28125 = 3² × 5⁵

Step-3: Factors of 28109

List of positive integer factors of 28109 that divides 28109 without a remainder.

Step-4: Factors of 28125

List of positive integer factors of 28125 that divides 28109 without a remainder.

1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3125, 5625, 9375

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28109 and 28125. The biggest common factor number is the GCF number.
So the greatest common factor 28109 and 28125 is 1.

Also check out the Least Common Multiple of 28109 and 28125