What is the Greatest Common Factor of 12078 and 12089?

Greatest common factor (GCF) of 12078 and 12089 is 11.

GCF(12078,12089) = 11

We will now calculate the prime factors of 12078 and 12089, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12078 and 12089.

How to find the GCF of 12078 and 12089?

We will first find the prime factorization of 12078 and 12089. After we will calculate the factors of 12078 and 12089 and find the biggest common factor number .

Step-1: Prime Factorization of 12078

Prime factors of 12078 are 2, 3, 11, 61. Prime factorization of 12078 in exponential form is:

12078 = 2¹ × 3² × 11¹ × 61¹

Step-2: Prime Factorization of 12089

Prime factors of 12089 are 7, 11, 157. Prime factorization of 12089 in exponential form is:

12089 = 7¹ × 11¹ × 157¹

Step-3: Factors of 12078

List of positive integer factors of 12078 that divides 12078 without a remainder.

1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 122, 183, 198, 366, 549, 671, 1098, 1342, 2013, 4026, 6039

Step-4: Factors of 12089

List of positive integer factors of 12089 that divides 12078 without a remainder.

1, 7, 11, 77, 157, 1099, 1727

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12078 and 12089. The biggest common factor number is the GCF number.
So the greatest common factor 12078 and 12089 is 11.

Also check out the Least Common Multiple of 12078 and 12089