What is the Greatest Common Factor of 18759 and 18765?

Greatest common factor (GCF) of 18759 and 18765 is 3.

GCF(18759,18765) = 3

We will now calculate the prime factors of 18759 and 18765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18759 and 18765.

How to find the GCF of 18759 and 18765?

We will first find the prime factorization of 18759 and 18765. After we will calculate the factors of 18759 and 18765 and find the biggest common factor number .

Step-1: Prime Factorization of 18759

Prime factors of 18759 are 3, 13, 37. Prime factorization of 18759 in exponential form is:

18759 = 3¹ × 13² × 37¹

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 18759

List of positive integer factors of 18759 that divides 18759 without a remainder.

1, 3, 13, 37, 39, 111, 169, 481, 507, 1443, 6253

Step-4: Factors of 18765

List of positive integer factors of 18765 that divides 18759 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 18759 and 18765. The biggest common factor number is the GCF number.
So the greatest common factor 18759 and 18765 is 3.

Also check out the Least Common Multiple of 18759 and 18765