What is the Greatest Common Factor of 28055 and 28072?

Greatest common factor (GCF) of 28055 and 28072 is 1.

GCF(28055,28072) = 1

We will now calculate the prime factors of 28055 and 28072, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28055 and 28072.

How to find the GCF of 28055 and 28072?

We will first find the prime factorization of 28055 and 28072. After we will calculate the factors of 28055 and 28072 and find the biggest common factor number .

Step-1: Prime Factorization of 28055

Prime factors of 28055 are 5, 31, 181. Prime factorization of 28055 in exponential form is:

28055 = 5¹ × 31¹ × 181¹

Step-2: Prime Factorization of 28072

Prime factors of 28072 are 2, 11, 29. Prime factorization of 28072 in exponential form is:

28072 = 2³ × 11² × 29¹

Step-3: Factors of 28055

List of positive integer factors of 28055 that divides 28055 without a remainder.

1, 5, 31, 155, 181, 905, 5611

Step-4: Factors of 28072

List of positive integer factors of 28072 that divides 28055 without a remainder.

1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 968, 1276, 2552, 3509, 7018, 14036

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28055 and 28072. The biggest common factor number is the GCF number.
So the greatest common factor 28055 and 28072 is 1.

Also check out the Least Common Multiple of 28055 and 28072