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 7864, 7870 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7864 and 7870 is 2.
GCF(7864,7870) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7864
2 | 7864 |
2 | 3932 |
2 | 1966 |
983 | 983 |
1 |
Prime factors of 7864 are 2,983. Prime factorization of 7864 in exponential form is:
7864 = 23×9831
Prime Factorization of 7870
2 | 7870 |
5 | 3935 |
787 | 787 |
1 |
Prime factors of 7870 are 2,5,787. Prime factorization of 7870 in exponential form is:
7870 = 21×51×7871
∴ So by taking common prime factors GCF of 7864 and 7870 is 2
Factors of 7864
List of positive integer factors of 7864 that divides 7864 without a remainder.
1,2,4,8,983,1966,3932,7864
Factors of 7870
List of positive integer factors of 7870 that divides 7870 without a remainder.
1,2,5,10,787,1574,3935,7870
Greatest Common Factor
We found the factors and prime factorization of 7864 and 7870. The biggest common factor number is the GCF number.
So the greatest common factor 7864 and 7870 is 2.
Also check out the Least Common Multiple of 7864 and 7870
(i) The GCF of 7864 and 7870 is associative
GCF of 7864 and 7870 = GCF of 7870 and 7864
1. What is the GCF of 7864 and 7870?
Answer: GCF of 7864 and 7870 is 2.
2. What are the Factors of 7864?
Answer: Factors of 7864 are 1, 2, 4, 8, 983, 1966, 3932, 7864. There are 8 integers that are factors of 7864. The greatest factor of 7864 is 7864.
3. What are the Factors of 7870?
Answer: Factors of 7870 are 1, 2, 5, 10, 787, 1574, 3935, 7870. There are 8 integers that are factors of 7870. The greatest factor of 7870 is 7870.
4. How to Find the GCF of 7864 and 7870?
Answer:
Greatest Common Factor of 7864 and 7870 = 2
Step 1: Find the prime factorization of 7864
7864 = 2 x 2 x 2 x 983
Step 2: Find the prime factorization of 7870
7870 = 2 x 5 x 787
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 7864 and 7870 is 2