What is the Greatest Common Factor of 18156 and 18162?

Greatest common factor (GCF) of 18156 and 18162 is 6.

GCF(18156,18162) = 6

We will now calculate the prime factors of 18156 and 18162, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18156 and 18162.

How to find the GCF of 18156 and 18162?

We will first find the prime factorization of 18156 and 18162. After we will calculate the factors of 18156 and 18162 and find the biggest common factor number .

Step-1: Prime Factorization of 18156

Prime factors of 18156 are 2, 3, 17, 89. Prime factorization of 18156 in exponential form is:

18156 = 2² × 3¹ × 17¹ × 89¹

Step-2: Prime Factorization of 18162

Prime factors of 18162 are 2, 3, 1009. Prime factorization of 18162 in exponential form is:

18162 = 2¹ × 3² × 1009¹

Step-3: Factors of 18156

List of positive integer factors of 18156 that divides 18156 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1513, 3026, 4539, 6052, 9078

Step-4: Factors of 18162

List of positive integer factors of 18162 that divides 18156 without a remainder.

1, 2, 3, 6, 9, 18, 1009, 2018, 3027, 6054, 9081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18156 and 18162. The biggest common factor number is the GCF number.
So the greatest common factor 18156 and 18162 is 6.

Also check out the Least Common Multiple of 18156 and 18162