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 8620, 8625 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 8620 and 8625 is 5.
GCF(8620,8625) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 8620
2 | 8620 |
2 | 4310 |
5 | 2155 |
431 | 431 |
1 |
Prime factors of 8620 are 2,5,431. Prime factorization of 8620 in exponential form is:
8620 = 22×51×4311
Prime Factorization of 8625
3 | 8625 |
5 | 2875 |
5 | 575 |
5 | 115 |
23 | 23 |
1 |
Prime factors of 8625 are 3,5,23. Prime factorization of 8625 in exponential form is:
8625 = 31×53×231
∴ So by taking common prime factors GCF of 8620 and 8625 is 5
Factors of 8620
List of positive integer factors of 8620 that divides 8620 without a remainder.
1,2,4,5,10,20,431,862,1724,2155,4310,8620
Factors of 8625
List of positive integer factors of 8625 that divides 8625 without a remainder.
1,3,5,15,23,25,69,75,115,125,345,375,575,1725,2875,8625
Greatest Common Factor
We found the factors and prime factorization of 8620 and 8625. The biggest common factor number is the GCF number.
So the greatest common factor 8620 and 8625 is 5.
Also check out the Least Common Multiple of 8620 and 8625
(i) The GCF of 8620 and 8625 is associative
GCF of 8620 and 8625 = GCF of 8625 and 8620
1. What is the GCF of 8620 and 8625?
Answer: GCF of 8620 and 8625 is 5.
2. What are the Factors of 8620?
Answer: Factors of 8620 are 1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620. There are 12 integers that are factors of 8620. The greatest factor of 8620 is 8620.
3. What are the Factors of 8625?
Answer: Factors of 8625 are 1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2875, 8625. There are 16 integers that are factors of 8625. The greatest factor of 8625 is 8625.
4. How to Find the GCF of 8620 and 8625?
Answer:
Greatest Common Factor of 8620 and 8625 = 5
Step 1: Find the prime factorization of 8620
8620 = 2 x 2 x 5 x 431
Step 2: Find the prime factorization of 8625
8625 = 3 x 5 x 5 x 5 x 23
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 8620 and 8625 is 5