What is the Greatest Common Factor of 55485 and 55503?

Greatest common factor (GCF) of 55485 and 55503 is 9.

GCF(55485,55503) = 9

We will now calculate the prime factors of 55485 and 55503, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55485 and 55503.

How to find the GCF of 55485 and 55503?

We will first find the prime factorization of 55485 and 55503. After we will calculate the factors of 55485 and 55503 and find the biggest common factor number .

Step-1: Prime Factorization of 55485

Prime factors of 55485 are 3, 5, 137. Prime factorization of 55485 in exponential form is:

55485 = 3⁴ × 5¹ × 137¹

Step-2: Prime Factorization of 55503

Prime factors of 55503 are 3, 7, 881. Prime factorization of 55503 in exponential form is:

55503 = 3² × 7¹ × 881¹

Step-3: Factors of 55485

List of positive integer factors of 55485 that divides 55485 without a remainder.

1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 1233, 2055, 3699, 6165, 11097, 18495

Step-4: Factors of 55503

List of positive integer factors of 55503 that divides 55485 without a remainder.

1, 3, 7, 9, 21, 63, 881, 2643, 6167, 7929, 18501

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55485 and 55503. The biggest common factor number is the GCF number.
So the greatest common factor 55485 and 55503 is 9.

Also check out the Least Common Multiple of 55485 and 55503