What is the Greatest Common Factor of 5403 and 5409?

Greatest common factor (GCF) of 5403 and 5409 is 3.

GCF(5403,5409) = 3

We will now calculate the prime factors of 5403 and 5409, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5403 and 5409.

How to find the GCF of 5403 and 5409?

We will first find the prime factorization of 5403 and 5409. After we will calculate the factors of 5403 and 5409 and find the biggest common factor number .

Step-1: Prime Factorization of 5403

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

5403 = 3¹ × 1801¹

Step-2: Prime Factorization of 5409

Prime factors of 5409 are 3, 601. Prime factorization of 5409 in exponential form is:

5409 = 3² × 601¹

Step-3: Factors of 5403

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

1, 3, 1801

Step-4: Factors of 5409

List of positive integer factors of 5409 that divides 5403 without a remainder.

1, 3, 9, 601, 1803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5403 and 5409. The biggest common factor number is the GCF number.
So the greatest common factor 5403 and 5409 is 3.

Also check out the Least Common Multiple of 5403 and 5409