What is the Greatest Common Factor of 28091 and 28100?

Greatest common factor (GCF) of 28091 and 28100 is 1.

GCF(28091,28100) = 1

We will now calculate the prime factors of 28091 and 28100, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28091 and 28100.

How to find the GCF of 28091 and 28100?

We will first find the prime factorization of 28091 and 28100. After we will calculate the factors of 28091 and 28100 and find the biggest common factor number .

Step-1: Prime Factorization of 28091

Prime factors of 28091 are 7, 4013. Prime factorization of 28091 in exponential form is:

28091 = 7¹ × 4013¹

Step-2: Prime Factorization of 28100

Prime factors of 28100 are 2, 5, 281. Prime factorization of 28100 in exponential form is:

28100 = 2² × 5² × 281¹

Step-3: Factors of 28091

List of positive integer factors of 28091 that divides 28091 without a remainder.

1, 7, 4013

Step-4: Factors of 28100

List of positive integer factors of 28100 that divides 28091 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 100, 281, 562, 1124, 1405, 2810, 5620, 7025, 14050

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28091 and 28100. The biggest common factor number is the GCF number.
So the greatest common factor 28091 and 28100 is 1.

Also check out the Least Common Multiple of 28091 and 28100