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, 531 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 525 and 531 is 3.
GCF(525,531) = 3
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 531
3 | 531 |
3 | 177 |
59 | 59 |
1 |
Prime factors of 531 are 3,59. Prime factorization of 531 in exponential form is:
531 = 32×591
∴ So by taking common prime factors GCF of 525 and 531 is 3
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 531
List of positive integer factors of 531 that divides 531 without a remainder.
1,3,9,59,177,531
Greatest Common Factor
We found the factors and prime factorization of 525 and 531. The biggest common factor number is the GCF number.
So the greatest common factor 525 and 531 is 3.
Also check out the Least Common Multiple of 525 and 531
(i) The GCF of 525 and 531 is associative
GCF of 525 and 531 = GCF of 531 and 525
1. What is the GCF of 525 and 531?
Answer: GCF of 525 and 531 is 3.
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 531?
Answer: Factors of 531 are 1, 3, 9, 59, 177, 531. There are 6 integers that are factors of 531. The greatest factor of 531 is 531.
4. How to Find the GCF of 525 and 531?
Answer:
Greatest Common Factor of 525 and 531 = 3
Step 1: Find the prime factorization of 525
525 = 3 x 5 x 5 x 7
Step 2: Find the prime factorization of 531
531 = 3 x 3 x 59
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 525 and 531 is 3