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 525, 530 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 525 and 530 is 5.
GCF(525,530) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 525
3 | 525 |
5 | 175 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 525 are 3,5,7. Prime factorization of 525 in exponential form is:
525 = 31×52×71
Prime Factorization of 530
2 | 530 |
5 | 265 |
53 | 53 |
1 |
Prime factors of 530 are 2,5,53. Prime factorization of 530 in exponential form is:
530 = 21×51×531
∴ So by taking common prime factors GCF of 525 and 530 is 5
Factors of 525
List of positive integer factors of 525 that divides 525 without a remainder.
1,3,5,7,15,21,25,35,75,105,175,525
Factors of 530
List of positive integer factors of 530 that divides 530 without a remainder.
1,2,5,10,53,106,265,530
Greatest Common Factor
We found the factors and prime factorization of 525 and 530. The biggest common factor number is the GCF number.
So the greatest common factor 525 and 530 is 5.
Also check out the Least Common Multiple of 525 and 530
(i) The GCF of 525 and 530 is associative
GCF of 525 and 530 = GCF of 530 and 525
1. What is the GCF of 525 and 530?
Answer: GCF of 525 and 530 is 5.
2. What are the Factors of 525?
Answer: Factors of 525 are 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525. There are 12 integers that are factors of 525. The greatest factor of 525 is 525.
3. What are the Factors of 530?
Answer: Factors of 530 are 1, 2, 5, 10, 53, 106, 265, 530. There are 8 integers that are factors of 530. The greatest factor of 530 is 530.
4. How to Find the GCF of 525 and 530?
Answer:
Greatest Common Factor of 525 and 530 = 5
Step 1: Find the prime factorization of 525
525 = 3 x 5 x 5 x 7
Step 2: Find the prime factorization of 530
530 = 2 x 5 x 53
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 525 and 530 is 5