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 7881, 7887 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7881 and 7887 is 3.
GCF(7881,7887) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7881
3 | 7881 |
37 | 2627 |
71 | 71 |
1 |
Prime factors of 7881 are 3,37,71. Prime factorization of 7881 in exponential form is:
7881 = 31×371×711
Prime Factorization of 7887
3 | 7887 |
11 | 2629 |
239 | 239 |
1 |
Prime factors of 7887 are 3,11,239. Prime factorization of 7887 in exponential form is:
7887 = 31×111×2391
∴ So by taking common prime factors GCF of 7881 and 7887 is 3
Factors of 7881
List of positive integer factors of 7881 that divides 7881 without a remainder.
1,3,37,71,111,213,2627,7881
Factors of 7887
List of positive integer factors of 7887 that divides 7887 without a remainder.
1,3,11,33,239,717,2629,7887
Greatest Common Factor
We found the factors and prime factorization of 7881 and 7887. The biggest common factor number is the GCF number.
So the greatest common factor 7881 and 7887 is 3.
Also check out the Least Common Multiple of 7881 and 7887
(i) The GCF of 7881 and 7887 is associative
GCF of 7881 and 7887 = GCF of 7887 and 7881
1. What is the GCF of 7881 and 7887?
Answer: GCF of 7881 and 7887 is 3.
2. What are the Factors of 7881?
Answer: Factors of 7881 are 1, 3, 37, 71, 111, 213, 2627, 7881. There are 8 integers that are factors of 7881. The greatest factor of 7881 is 7881.
3. What are the Factors of 7887?
Answer: Factors of 7887 are 1, 3, 11, 33, 239, 717, 2629, 7887. There are 8 integers that are factors of 7887. The greatest factor of 7887 is 7887.
4. How to Find the GCF of 7881 and 7887?
Answer:
Greatest Common Factor of 7881 and 7887 = 3
Step 1: Find the prime factorization of 7881
7881 = 3 x 37 x 71
Step 2: Find the prime factorization of 7887
7887 = 3 x 11 x 239
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 7881 and 7887 is 3