What is the Greatest Common Factor of 28175 and 28187?

Greatest common factor (GCF) of 28175 and 28187 is 1.

GCF(28175,28187) = 1

We will now calculate the prime factors of 28175 and 28187, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28175 and 28187.

How to find the GCF of 28175 and 28187?

We will first find the prime factorization of 28175 and 28187. After we will calculate the factors of 28175 and 28187 and find the biggest common factor number .

Step-1: Prime Factorization of 28175

Prime factors of 28175 are 5, 7, 23. Prime factorization of 28175 in exponential form is:

28175 = 5² × 7² × 23¹

Step-2: Prime Factorization of 28187

Prime factors of 28187 are 71, 397. Prime factorization of 28187 in exponential form is:

28187 = 71¹ × 397¹

Step-3: Factors of 28175

List of positive integer factors of 28175 that divides 28175 without a remainder.

1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 4025, 5635

Step-4: Factors of 28187

List of positive integer factors of 28187 that divides 28175 without a remainder.

1, 71, 397

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28175 and 28187. The biggest common factor number is the GCF number.
So the greatest common factor 28175 and 28187 is 1.

Also check out the Least Common Multiple of 28175 and 28187