What is the Greatest Common Factor of 43503 and 43521?

Greatest common factor (GCF) of 43503 and 43521 is 3.

GCF(43503,43521) = 3

We will now calculate the prime factors of 43503 and 43521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43503 and 43521.

How to find the GCF of 43503 and 43521?

We will first find the prime factorization of 43503 and 43521. After we will calculate the factors of 43503 and 43521 and find the biggest common factor number .

Step-1: Prime Factorization of 43503

Prime factors of 43503 are 3, 17, 853. Prime factorization of 43503 in exponential form is:

43503 = 3¹ × 17¹ × 853¹

Step-2: Prime Factorization of 43521

Prime factors of 43521 are 3, 89, 163. Prime factorization of 43521 in exponential form is:

43521 = 3¹ × 89¹ × 163¹

Step-3: Factors of 43503

List of positive integer factors of 43503 that divides 43503 without a remainder.

1, 3, 17, 51, 853, 2559, 14501

Step-4: Factors of 43521

List of positive integer factors of 43521 that divides 43503 without a remainder.

1, 3, 89, 163, 267, 489, 14507

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43503 and 43521. The biggest common factor number is the GCF number.
So the greatest common factor 43503 and 43521 is 3.

Also check out the Least Common Multiple of 43503 and 43521