What is the Greatest Common Factor of 18745 and 18765?

Greatest common factor (GCF) of 18745 and 18765 is 5.

GCF(18745,18765) = 5

We will now calculate the prime factors of 18745 and 18765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18745 and 18765.

How to find the GCF of 18745 and 18765?

We will first find the prime factorization of 18745 and 18765. After we will calculate the factors of 18745 and 18765 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 18765

Prime factors of 18765 are 3, 5, 139. Prime factorization of 18765 in exponential form is:

18765 = 3³ × 5¹ × 139¹

Step-3: Factors of 18745

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

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

Step-4: Factors of 18765

List of positive integer factors of 18765 that divides 18745 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 3753, 6255

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18745 and 18765. The biggest common factor number is the GCF number.
So the greatest common factor 18745 and 18765 is 5.

Also check out the Least Common Multiple of 18745 and 18765