What is the Greatest Common Factor of 520 and 524?

Greatest common factor (GCF) of 520 and 524 is 4.

GCF(520,524) = 4

We will now calculate the prime factors of 520 and 524, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 520 and 524.

How to find the GCF of 520 and 524?

We will first find the prime factorization of 520 and 524. After we will calculate the factors of 520 and 524 and find the biggest common factor number .

Step-1: Prime Factorization of 520

Prime factors of 520 are 2, 5, 13. Prime factorization of 520 in exponential form is:

520 = 2³ × 5¹ × 13¹

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 520

List of positive integer factors of 520 that divides 520 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260

Step-4: Factors of 524

List of positive integer factors of 524 that divides 520 without a remainder.

1, 2, 4, 131, 262

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 520 and 524. The biggest common factor number is the GCF number.
So the greatest common factor 520 and 524 is 4.

Also check out the Least Common Multiple of 520 and 524