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 7788, 7791 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7788 and 7791 is 3.
GCF(7788,7791) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7788
2 | 7788 |
2 | 3894 |
3 | 1947 |
11 | 649 |
59 | 59 |
1 |
Prime factors of 7788 are 2,3,11,59. Prime factorization of 7788 in exponential form is:
7788 = 22×31×111×591
Prime Factorization of 7791
3 | 7791 |
7 | 2597 |
7 | 371 |
53 | 53 |
1 |
Prime factors of 7791 are 3,7,53. Prime factorization of 7791 in exponential form is:
7791 = 31×72×531
∴ So by taking common prime factors GCF of 7788 and 7791 is 3
Factors of 7788
List of positive integer factors of 7788 that divides 7788 without a remainder.
1,2,3,4,6,11,12,22,33,44,59,66,118,132,177,236,354,649,708,1298,1947,2596,3894,7788
Factors of 7791
List of positive integer factors of 7791 that divides 7791 without a remainder.
1,3,7,21,49,53,147,159,371,1113,2597,7791
Greatest Common Factor
We found the factors and prime factorization of 7788 and 7791. The biggest common factor number is the GCF number.
So the greatest common factor 7788 and 7791 is 3.
Also check out the Least Common Multiple of 7788 and 7791
(i) The GCF of 7788 and 7791 is associative
GCF of 7788 and 7791 = GCF of 7791 and 7788
1. What is the GCF of 7788 and 7791?
Answer: GCF of 7788 and 7791 is 3.
2. What are the Factors of 7788?
Answer: Factors of 7788 are 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 59, 66, 118, 132, 177, 236, 354, 649, 708, 1298, 1947, 2596, 3894, 7788. There are 24 integers that are factors of 7788. The greatest factor of 7788 is 7788.
3. What are the Factors of 7791?
Answer: Factors of 7791 are 1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791. There are 12 integers that are factors of 7791. The greatest factor of 7791 is 7791.
4. How to Find the GCF of 7788 and 7791?
Answer:
Greatest Common Factor of 7788 and 7791 = 3
Step 1: Find the prime factorization of 7788
7788 = 2 x 2 x 3 x 11 x 59
Step 2: Find the prime factorization of 7791
7791 = 3 x 7 x 7 x 53
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 7788 and 7791 is 3