What is the Greatest Common Factor of 519 and 531?

Greatest common factor (GCF) of 519 and 531 is 3.

GCF(519,531) = 3

We will now calculate the prime factors of 519 and 531, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 519 and 531.

How to find the GCF of 519 and 531?

We will first find the prime factorization of 519 and 531. After we will calculate the factors of 519 and 531 and find the biggest common factor number .

Step-1: Prime Factorization of 519

Prime factors of 519 are 3, 173. Prime factorization of 519 in exponential form is:

519 = 3¹ × 173¹

Step-2: Prime Factorization of 531

Prime factors of 531 are 3, 59. Prime factorization of 531 in exponential form is:

531 = 3² × 59¹

Step-3: Factors of 519

List of positive integer factors of 519 that divides 519 without a remainder.

1, 3, 173

Step-4: Factors of 531

List of positive integer factors of 531 that divides 519 without a remainder.

1, 3, 9, 59, 177

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 519 and 531. The biggest common factor number is the GCF number.
So the greatest common factor 519 and 531 is 3.

Also check out the Least Common Multiple of 519 and 531