What is the Greatest Common Factor of 16421 and 16438?

Greatest common factor (GCF) of 16421 and 16438 is 1.

GCF(16421,16438) = 1

We will now calculate the prime factors of 16421 and 16438, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16421 and 16438.

How to find the GCF of 16421 and 16438?

We will first find the prime factorization of 16421 and 16438. After we will calculate the factors of 16421 and 16438 and find the biggest common factor number .

Step-1: Prime Factorization of 16421

Prime factors of 16421 are 16421. Prime factorization of 16421 in exponential form is:

16421 = 16421¹

Step-2: Prime Factorization of 16438

Prime factors of 16438 are 2, 8219. Prime factorization of 16438 in exponential form is:

16438 = 2¹ × 8219¹

Step-3: Factors of 16421

List of positive integer factors of 16421 that divides 16421 without a remainder.

Step-4: Factors of 16438

List of positive integer factors of 16438 that divides 16421 without a remainder.

1, 2, 8219

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16421 and 16438. The biggest common factor number is the GCF number.
So the greatest common factor 16421 and 16438 is 1.

Also check out the Least Common Multiple of 16421 and 16438