What is the Greatest Common Factor of 12103 and 12121?

Greatest common factor (GCF) of 12103 and 12121 is 1.

GCF(12103,12121) = 1

We will now calculate the prime factors of 12103 and 12121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12103 and 12121.

How to find the GCF of 12103 and 12121?

We will first find the prime factorization of 12103 and 12121. After we will calculate the factors of 12103 and 12121 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 12121

Prime factors of 12121 are 17, 23, 31. Prime factorization of 12121 in exponential form is:

12121 = 17¹ × 23¹ × 31¹

Step-3: Factors of 12103

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

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

Step-4: Factors of 12121

List of positive integer factors of 12121 that divides 12103 without a remainder.

1, 17, 23, 31, 391, 527, 713

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12103 and 12121. The biggest common factor number is the GCF number.
So the greatest common factor 12103 and 12121 is 1.

Also check out the Least Common Multiple of 12103 and 12121