What is the Greatest Common Factor of 55503 and 55515?

Greatest common factor (GCF) of 55503 and 55515 is 3.

GCF(55503,55515) = 3

We will now calculate the prime factors of 55503 and 55515, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55503 and 55515.

How to find the GCF of 55503 and 55515?

We will first find the prime factorization of 55503 and 55515. After we will calculate the factors of 55503 and 55515 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 55515

Prime factors of 55515 are 3, 5, 3701. Prime factorization of 55515 in exponential form is:

55515 = 3¹ × 5¹ × 3701¹

Step-3: Factors of 55503

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

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

Step-4: Factors of 55515

List of positive integer factors of 55515 that divides 55503 without a remainder.

1, 3, 5, 15, 3701, 11103, 18505

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55503 and 55515. The biggest common factor number is the GCF number.
So the greatest common factor 55503 and 55515 is 3.

Also check out the Least Common Multiple of 55503 and 55515