What is the Greatest Common Factor of 18728 and 18745?

Greatest common factor (GCF) of 18728 and 18745 is 1.

GCF(18728,18745) = 1

We will now calculate the prime factors of 18728 and 18745, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18728 and 18745.

How to find the GCF of 18728 and 18745?

We will first find the prime factorization of 18728 and 18745. After we will calculate the factors of 18728 and 18745 and find the biggest common factor number .

Step-1: Prime Factorization of 18728

Prime factors of 18728 are 2, 2341. Prime factorization of 18728 in exponential form is:

18728 = 2³ × 2341¹

Step-2: Prime Factorization of 18745

Prime factors of 18745 are 5, 23, 163. Prime factorization of 18745 in exponential form is:

18745 = 5¹ × 23¹ × 163¹

Step-3: Factors of 18728

List of positive integer factors of 18728 that divides 18728 without a remainder.

1, 2, 4, 8, 2341, 4682, 9364

Step-4: Factors of 18745

List of positive integer factors of 18745 that divides 18728 without a remainder.

1, 5, 23, 115, 163, 815, 3749

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18728 and 18745. The biggest common factor number is the GCF number.
So the greatest common factor 18728 and 18745 is 1.

Also check out the Least Common Multiple of 18728 and 18745