What is the Greatest Common Factor of 28397 and 28403?

Greatest common factor (GCF) of 28397 and 28403 is 1.

GCF(28397,28403) = 1

We will now calculate the prime factors of 28397 and 28403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28397 and 28403.

How to find the GCF of 28397 and 28403?

We will first find the prime factorization of 28397 and 28403. After we will calculate the factors of 28397 and 28403 and find the biggest common factor number .

Step-1: Prime Factorization of 28397

Prime factors of 28397 are 73, 389. Prime factorization of 28397 in exponential form is:

28397 = 73¹ × 389¹

Step-2: Prime Factorization of 28403

Prime factors of 28403 are 28403. Prime factorization of 28403 in exponential form is:

28403 = 28403¹

Step-3: Factors of 28397

List of positive integer factors of 28397 that divides 28397 without a remainder.

1, 73, 389

Step-4: Factors of 28403

List of positive integer factors of 28403 that divides 28397 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28397 and 28403. The biggest common factor number is the GCF number.
So the greatest common factor 28397 and 28403 is 1.

Also check out the Least Common Multiple of 28397 and 28403