What is the Greatest Common Factor of 18421 and 18437?

Greatest common factor (GCF) of 18421 and 18437 is 1.

GCF(18421,18437) = 1

We will now calculate the prime factors of 18421 and 18437, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18421 and 18437.

How to find the GCF of 18421 and 18437?

We will first find the prime factorization of 18421 and 18437. After we will calculate the factors of 18421 and 18437 and find the biggest common factor number .

Step-1: Prime Factorization of 18421

Prime factors of 18421 are 13, 109. Prime factorization of 18421 in exponential form is:

18421 = 13² × 109¹

Step-2: Prime Factorization of 18437

Prime factors of 18437 are 103, 179. Prime factorization of 18437 in exponential form is:

18437 = 103¹ × 179¹

Step-3: Factors of 18421

List of positive integer factors of 18421 that divides 18421 without a remainder.

1, 13, 109, 169, 1417

Step-4: Factors of 18437

List of positive integer factors of 18437 that divides 18421 without a remainder.

1, 103, 179

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18421 and 18437. The biggest common factor number is the GCF number.
So the greatest common factor 18421 and 18437 is 1.

Also check out the Least Common Multiple of 18421 and 18437