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 7820, 7825 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7820 and 7825 is 5.
GCF(7820,7825) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7820
2 | 7820 |
2 | 3910 |
5 | 1955 |
17 | 391 |
23 | 23 |
1 |
Prime factors of 7820 are 2,5,17,23. Prime factorization of 7820 in exponential form is:
7820 = 22×51×171×231
Prime Factorization of 7825
5 | 7825 |
5 | 1565 |
313 | 313 |
1 |
Prime factors of 7825 are 5,313. Prime factorization of 7825 in exponential form is:
7825 = 52×3131
∴ So by taking common prime factors GCF of 7820 and 7825 is 5
Factors of 7820
List of positive integer factors of 7820 that divides 7820 without a remainder.
1,2,4,5,10,17,20,23,34,46,68,85,92,115,170,230,340,391,460,782,1564,1955,3910,7820
Factors of 7825
List of positive integer factors of 7825 that divides 7825 without a remainder.
1,5,25,313,1565,7825
Greatest Common Factor
We found the factors and prime factorization of 7820 and 7825. The biggest common factor number is the GCF number.
So the greatest common factor 7820 and 7825 is 5.
Also check out the Least Common Multiple of 7820 and 7825
(i) The GCF of 7820 and 7825 is associative
GCF of 7820 and 7825 = GCF of 7825 and 7820
1. What is the GCF of 7820 and 7825?
Answer: GCF of 7820 and 7825 is 5.
2. What are the Factors of 7820?
Answer: Factors of 7820 are 1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820. There are 24 integers that are factors of 7820. The greatest factor of 7820 is 7820.
3. What are the Factors of 7825?
Answer: Factors of 7825 are 1, 5, 25, 313, 1565, 7825. There are 6 integers that are factors of 7825. The greatest factor of 7825 is 7825.
4. How to Find the GCF of 7820 and 7825?
Answer:
Greatest Common Factor of 7820 and 7825 = 5
Step 1: Find the prime factorization of 7820
7820 = 2 x 2 x 5 x 17 x 23
Step 2: Find the prime factorization of 7825
7825 = 5 x 5 x 313
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 7820 and 7825 is 5