What is the Greatest Common Factor of 18018 and 18028?

Greatest common factor (GCF) of 18018 and 18028 is 2.

GCF(18018,18028) = 2

We will now calculate the prime factors of 18018 and 18028, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18018 and 18028.

How to find the GCF of 18018 and 18028?

We will first find the prime factorization of 18018 and 18028. After we will calculate the factors of 18018 and 18028 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 18028

Prime factors of 18028 are 2, 4507. Prime factorization of 18028 in exponential form is:

18028 = 2² × 4507¹

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 18028

List of positive integer factors of 18028 that divides 18018 without a remainder.

1, 2, 4, 4507, 9014

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18018 and 18028. The biggest common factor number is the GCF number.
So the greatest common factor 18018 and 18028 is 2.

Also check out the Least Common Multiple of 18018 and 18028