What is the Greatest Common Factor of 28195 and 28209?

Greatest common factor (GCF) of 28195 and 28209 is 1.

GCF(28195,28209) = 1

We will now calculate the prime factors of 28195 and 28209, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28195 and 28209.

How to find the GCF of 28195 and 28209?

We will first find the prime factorization of 28195 and 28209. After we will calculate the factors of 28195 and 28209 and find the biggest common factor number .

Step-1: Prime Factorization of 28195

Prime factors of 28195 are 5, 5639. Prime factorization of 28195 in exponential form is:

28195 = 5¹ × 5639¹

Step-2: Prime Factorization of 28209

Prime factors of 28209 are 3, 9403. Prime factorization of 28209 in exponential form is:

28209 = 3¹ × 9403¹

Step-3: Factors of 28195

List of positive integer factors of 28195 that divides 28195 without a remainder.

1, 5, 5639

Step-4: Factors of 28209

List of positive integer factors of 28209 that divides 28195 without a remainder.

1, 3, 9403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28195 and 28209. The biggest common factor number is the GCF number.
So the greatest common factor 28195 and 28209 is 1.

Also check out the Least Common Multiple of 28195 and 28209