What is the Greatest Common Factor of 18109 and 18121?

Greatest common factor (GCF) of 18109 and 18121 is 1.

GCF(18109,18121) = 1

We will now calculate the prime factors of 18109 and 18121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18109 and 18121.

How to find the GCF of 18109 and 18121?

We will first find the prime factorization of 18109 and 18121. After we will calculate the factors of 18109 and 18121 and find the biggest common factor number .

Step-1: Prime Factorization of 18109

Prime factors of 18109 are 7, 13, 199. Prime factorization of 18109 in exponential form is:

18109 = 7¹ × 13¹ × 199¹

Step-2: Prime Factorization of 18121

Prime factors of 18121 are 18121. Prime factorization of 18121 in exponential form is:

18121 = 18121¹

Step-3: Factors of 18109

List of positive integer factors of 18109 that divides 18109 without a remainder.

1, 7, 13, 91, 199, 1393, 2587

Step-4: Factors of 18121

List of positive integer factors of 18121 that divides 18109 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18109 and 18121. The biggest common factor number is the GCF number.
So the greatest common factor 18109 and 18121 is 1.

Also check out the Least Common Multiple of 18109 and 18121