What is the Greatest Common Factor of 28078 and 28091?

Greatest common factor (GCF) of 28078 and 28091 is 1.

GCF(28078,28091) = 1

We will now calculate the prime factors of 28078 and 28091, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28078 and 28091.

How to find the GCF of 28078 and 28091?

We will first find the prime factorization of 28078 and 28091. After we will calculate the factors of 28078 and 28091 and find the biggest common factor number .

Step-1: Prime Factorization of 28078

Prime factors of 28078 are 2, 101, 139. Prime factorization of 28078 in exponential form is:

28078 = 2¹ × 101¹ × 139¹

Step-2: Prime Factorization of 28091

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

28091 = 7¹ × 4013¹

Step-3: Factors of 28078

List of positive integer factors of 28078 that divides 28078 without a remainder.

1, 2, 101, 139, 202, 278, 14039

Step-4: Factors of 28091

List of positive integer factors of 28091 that divides 28078 without a remainder.

1, 7, 4013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28078 and 28091. The biggest common factor number is the GCF number.
So the greatest common factor 28078 and 28091 is 1.

Also check out the Least Common Multiple of 28078 and 28091