What is the Greatest Common Factor of 18018 and 18038?

Greatest common factor (GCF) of 18018 and 18038 is 2.

GCF(18018,18038) = 2

We will now calculate the prime factors of 18018 and 18038, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18018 and 18038.

How to find the GCF of 18018 and 18038?

We will first find the prime factorization of 18018 and 18038. After we will calculate the factors of 18018 and 18038 and find the biggest common factor number .

Step-1: Prime Factorization of 18018

Prime factors of 18018 are 2, 3, 7, 11, 13. Prime factorization of 18018 in exponential form is:

18018 = 2¹ × 3² × 7¹ × 11¹ × 13¹

Step-2: Prime Factorization of 18038

Prime factors of 18038 are 2, 29, 311. Prime factorization of 18038 in exponential form is:

18038 = 2¹ × 29¹ × 311¹

Step-3: Factors of 18018

List of positive integer factors of 18018 that divides 18018 without a remainder.

1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1287, 1386, 1638, 2002, 2574, 3003, 6006, 9009

Step-4: Factors of 18038

List of positive integer factors of 18038 that divides 18018 without a remainder.

1, 2, 29, 58, 311, 622, 9019

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18018 and 18038. The biggest common factor number is the GCF number.
So the greatest common factor 18018 and 18038 is 2.

Also check out the Least Common Multiple of 18018 and 18038