What is the Greatest Common Factor of 18659 and 18678?

Greatest common factor (GCF) of 18659 and 18678 is 1.

GCF(18659,18678) = 1

We will now calculate the prime factors of 18659 and 18678, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18659 and 18678.

How to find the GCF of 18659 and 18678?

We will first find the prime factorization of 18659 and 18678. After we will calculate the factors of 18659 and 18678 and find the biggest common factor number .

Step-1: Prime Factorization of 18659

Prime factors of 18659 are 47, 397. Prime factorization of 18659 in exponential form is:

18659 = 47¹ × 397¹

Step-2: Prime Factorization of 18678

Prime factors of 18678 are 2, 3, 11, 283. Prime factorization of 18678 in exponential form is:

18678 = 2¹ × 3¹ × 11¹ × 283¹

Step-3: Factors of 18659

List of positive integer factors of 18659 that divides 18659 without a remainder.

1, 47, 397

Step-4: Factors of 18678

List of positive integer factors of 18678 that divides 18659 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 283, 566, 849, 1698, 3113, 6226, 9339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18659 and 18678. The biggest common factor number is the GCF number.
So the greatest common factor 18659 and 18678 is 1.

Also check out the Least Common Multiple of 18659 and 18678