What is the Greatest Common Factor of 16391 and 16403?

Greatest common factor (GCF) of 16391 and 16403 is 1.

GCF(16391,16403) = 1

We will now calculate the prime factors of 16391 and 16403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16391 and 16403.

How to find the GCF of 16391 and 16403?

We will first find the prime factorization of 16391 and 16403. After we will calculate the factors of 16391 and 16403 and find the biggest common factor number .

Step-1: Prime Factorization of 16391

Prime factors of 16391 are 37, 443. Prime factorization of 16391 in exponential form is:

16391 = 37¹ × 443¹

Step-2: Prime Factorization of 16403

Prime factors of 16403 are 47, 349. Prime factorization of 16403 in exponential form is:

16403 = 47¹ × 349¹

Step-3: Factors of 16391

List of positive integer factors of 16391 that divides 16391 without a remainder.

1, 37, 443

Step-4: Factors of 16403

List of positive integer factors of 16403 that divides 16391 without a remainder.

1, 47, 349

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16391 and 16403. The biggest common factor number is the GCF number.
So the greatest common factor 16391 and 16403 is 1.

Also check out the Least Common Multiple of 16391 and 16403