GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28009 and 28023?

Greatest common factor (GCF) of 28009 and 28023 is 1.

GCF(28009,28023) = 1

We will now calculate the prime factors of 28009 and 28023, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28009 and 28023.

GCF Calculator and
and

How to find the GCF of 28009 and 28023?

We will first find the prime factorization of 28009 and 28023. After we will calculate the factors of 28009 and 28023 and find the biggest common factor number .

Step-1: Prime Factorization of 28009

Prime factors of 28009 are 37, 757. Prime factorization of 28009 in exponential form is:

28009 = 371 × 7571

Step-2: Prime Factorization of 28023

Prime factors of 28023 are 3, 9341. Prime factorization of 28023 in exponential form is:

28023 = 31 × 93411

Step-3: Factors of 28009

List of positive integer factors of 28009 that divides 28009 without a remainder.

1, 37, 757

Step-4: Factors of 28023

List of positive integer factors of 28023 that divides 28009 without a remainder.

1, 3, 9341

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28009 and 28023. The biggest common factor number is the GCF number.
So the greatest common factor 28009 and 28023 is 1.

Also check out the Least Common Multiple of 28009 and 28023