What is the Greatest Common Factor of 28151 and 28155?

Greatest common factor (GCF) of 28151 and 28155 is 1.

GCF(28151,28155) = 1

We will now calculate the prime factors of 28151 and 28155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28151 and 28155.

How to find the GCF of 28151 and 28155?

We will first find the prime factorization of 28151 and 28155. After we will calculate the factors of 28151 and 28155 and find the biggest common factor number .

Step-1: Prime Factorization of 28151

Prime factors of 28151 are 28151. Prime factorization of 28151 in exponential form is:

28151 = 28151¹

Step-2: Prime Factorization of 28155

Prime factors of 28155 are 3, 5, 1877. Prime factorization of 28155 in exponential form is:

28155 = 3¹ × 5¹ × 1877¹

Step-3: Factors of 28151

List of positive integer factors of 28151 that divides 28151 without a remainder.

Step-4: Factors of 28155

List of positive integer factors of 28155 that divides 28151 without a remainder.

1, 3, 5, 15, 1877, 5631, 9385

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28151 and 28155. The biggest common factor number is the GCF number.
So the greatest common factor 28151 and 28155 is 1.

Also check out the Least Common Multiple of 28151 and 28155