What is the Greatest Common Factor of 5391 and 5403?

Greatest common factor (GCF) of 5391 and 5403 is 3.

GCF(5391,5403) = 3

We will now calculate the prime factors of 5391 and 5403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5391 and 5403.

How to find the GCF of 5391 and 5403?

We will first find the prime factorization of 5391 and 5403. After we will calculate the factors of 5391 and 5403 and find the biggest common factor number .

Step-1: Prime Factorization of 5391

Prime factors of 5391 are 3, 599. Prime factorization of 5391 in exponential form is:

5391 = 3² × 599¹

Step-2: Prime Factorization of 5403

Prime factors of 5403 are 3, 1801. Prime factorization of 5403 in exponential form is:

5403 = 3¹ × 1801¹

Step-3: Factors of 5391

List of positive integer factors of 5391 that divides 5391 without a remainder.

1, 3, 9, 599, 1797

Step-4: Factors of 5403

List of positive integer factors of 5403 that divides 5391 without a remainder.

1, 3, 1801

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5391 and 5403. The biggest common factor number is the GCF number.
So the greatest common factor 5391 and 5403 is 3.

Also check out the Least Common Multiple of 5391 and 5403