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 516, 520 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 516 and 520 is 4.
GCF(516,520) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 516
2 | 516 |
2 | 258 |
3 | 129 |
43 | 43 |
1 |
Prime factors of 516 are 2,3,43. Prime factorization of 516 in exponential form is:
516 = 22×31×431
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 516 and 520 is 4
Factors of 516
List of positive integer factors of 516 that divides 516 without a remainder.
1,2,3,4,6,12,43,86,129,172,258,516
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 516 and 520. The biggest common factor number is the GCF number.
So the greatest common factor 516 and 520 is 4.
Also check out the Least Common Multiple of 516 and 520
(i) The GCF of 516 and 520 is associative
GCF of 516 and 520 = GCF of 520 and 516
1. What is the GCF of 516 and 520?
Answer: GCF of 516 and 520 is 4.
2. What are the Factors of 516?
Answer: Factors of 516 are 1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516. There are 12 integers that are factors of 516. The greatest factor of 516 is 516.
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 516 and 520?
Answer:
Greatest Common Factor of 516 and 520 = 4
Step 1: Find the prime factorization of 516
516 = 2 x 2 x 3 x 43
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 x 2 = 4
Step 4: Therefore, the greatest common factor of 516 and 520 is 4