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 7790, 7798 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7790 and 7798 is 2.
GCF(7790,7798) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7790
2 | 7790 |
5 | 3895 |
19 | 779 |
41 | 41 |
1 |
Prime factors of 7790 are 2,5,19,41. Prime factorization of 7790 in exponential form is:
7790 = 21×51×191×411
Prime Factorization of 7798
2 | 7798 |
7 | 3899 |
557 | 557 |
1 |
Prime factors of 7798 are 2,7,557. Prime factorization of 7798 in exponential form is:
7798 = 21×71×5571
∴ So by taking common prime factors GCF of 7790 and 7798 is 2
Factors of 7790
List of positive integer factors of 7790 that divides 7790 without a remainder.
1,2,5,10,19,38,41,82,95,190,205,410,779,1558,3895,7790
Factors of 7798
List of positive integer factors of 7798 that divides 7798 without a remainder.
1,2,7,14,557,1114,3899,7798
Greatest Common Factor
We found the factors and prime factorization of 7790 and 7798. The biggest common factor number is the GCF number.
So the greatest common factor 7790 and 7798 is 2.
Also check out the Least Common Multiple of 7790 and 7798
(i) The GCF of 7790 and 7798 is associative
GCF of 7790 and 7798 = GCF of 7798 and 7790
1. What is the GCF of 7790 and 7798?
Answer: GCF of 7790 and 7798 is 2.
2. What are the Factors of 7790?
Answer: Factors of 7790 are 1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790. There are 16 integers that are factors of 7790. The greatest factor of 7790 is 7790.
3. What are the Factors of 7798?
Answer: Factors of 7798 are 1, 2, 7, 14, 557, 1114, 3899, 7798. There are 8 integers that are factors of 7798. The greatest factor of 7798 is 7798.
4. How to Find the GCF of 7790 and 7798?
Answer:
Greatest Common Factor of 7790 and 7798 = 2
Step 1: Find the prime factorization of 7790
7790 = 2 x 5 x 19 x 41
Step 2: Find the prime factorization of 7798
7798 = 2 x 7 x 557
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 7790 and 7798 is 2