What is the Greatest Common Factor of 516 and 524?

Greatest common factor (GCF) of 516 and 524 is 4.

GCF(516,524) = 4

We will now calculate the prime factors of 516 and 524, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 516 and 524.

How to find the GCF of 516 and 524?

We will first find the prime factorization of 516 and 524. After we will calculate the factors of 516 and 524 and find the biggest common factor number .

Step-1: Prime Factorization of 516

Prime factors of 516 are 2, 3, 43. Prime factorization of 516 in exponential form is:

516 = 2² × 3¹ × 43¹

Step-2: Prime Factorization of 524

Prime factors of 524 are 2, 131. Prime factorization of 524 in exponential form is:

524 = 2² × 131¹

Step-3: Factors of 516

List of positive integer factors of 516 that divides 516 without a remainder.

1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258

Step-4: Factors of 524

List of positive integer factors of 524 that divides 516 without a remainder.

1, 2, 4, 131, 262

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 516 and 524. The biggest common factor number is the GCF number.
So the greatest common factor 516 and 524 is 4.

Also check out the Least Common Multiple of 516 and 524