Greatest Common Factor of 518 and 520

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 518, 520 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 518 and 520 is 2.

GCF(518,520) = 2

GCF of 518 and 520

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 518 and 520

GCF of 518 and 520 is 2

Prime Factorization of 518


2 518
7 259
37 37
1

Prime factors of 518 are 2,7,37. Prime factorization of 518 in exponential form is:

518 = 21×71×371

Prime Factorization of 520


2 520
2 260
2 130
5 65
13 13
1

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

520 = 23×51×131

∴ So by taking common prime factors GCF of 518 and 520 is 2

Greatest Common Factor of 518 and 520 by matching factors method

Factors of 518

List of positive integer factors of 518 that divides 518 without a remainder.

1,2,7,14,37,74,259,518

Factors of 520

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

1,2,4,5,8,10,13,20,26,40,52,65,104,130,260,520

Greatest Common Factor

We found the factors and prime factorization of 518 and 520. The biggest common factor number is the GCF number.
So the greatest common factor 518 and 520 is 2.

Also check out the Least Common Multiple of 518 and 520

Properties of GCF 518 and 520

(i) The GCF of 518 and 520 is associative

GCF of 518 and 520 = GCF of 520 and 518

Related Greatest Common Factor of 518

Related Greatest Common Factor of 520

Frequently Asked Questions on GCF of 518 and 520

1. What is the GCF of 518 and 520?

Answer: GCF of 518 and 520 is 2.

2. What are the Factors of 518?

Answer: Factors of 518 are 1, 2, 7, 14, 37, 74, 259, 518. There are 8 integers that are factors of 518. The greatest factor of 518 is 518.

3. What are the Factors of 520?

Answer: Factors of 520 are 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520. There are 16 integers that are factors of 520. The greatest factor of 520 is 520.

4. How to Find the GCF of 518 and 520?

Answer:

Greatest Common Factor of 518 and 520 = 2

Step 1: Find the prime factorization of 518

518 = 2 x 7 x 37

Step 2: Find the prime factorization of 520

520 = 2 x 2 x 2 x 5 x 13

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2

Step 4: Therefore, the greatest common factor of 518 and 520 is 2