What is the Greatest Common Factor of 12089 and 12103?

Greatest common factor (GCF) of 12089 and 12103 is 7.

GCF(12089,12103) = 7

We will now calculate the prime factors of 12089 and 12103, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12089 and 12103.

How to find the GCF of 12089 and 12103?

We will first find the prime factorization of 12089 and 12103. After we will calculate the factors of 12089 and 12103 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 12103

Prime factors of 12103 are 7, 13, 19. Prime factorization of 12103 in exponential form is:

12103 = 7² × 13¹ × 19¹

Step-3: Factors of 12089

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

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

Step-4: Factors of 12103

List of positive integer factors of 12103 that divides 12089 without a remainder.

1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12089 and 12103. The biggest common factor number is the GCF number.
So the greatest common factor 12089 and 12103 is 7.

Also check out the Least Common Multiple of 12089 and 12103