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 7911, 7912 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7911 and 7912 is 1.
GCF(7911,7912) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7911
3 | 7911 |
3 | 2637 |
3 | 879 |
293 | 293 |
1 |
Prime factors of 7911 are 3,293. Prime factorization of 7911 in exponential form is:
7911 = 33×2931
Prime Factorization of 7912
2 | 7912 |
2 | 3956 |
2 | 1978 |
23 | 989 |
43 | 43 |
1 |
Prime factors of 7912 are 2,23,43. Prime factorization of 7912 in exponential form is:
7912 = 23×231×431
∴ So by taking common prime factors GCF of 7911 and 7912 is 1
Factors of 7911
List of positive integer factors of 7911 that divides 7911 without a remainder.
1,3,9,27,293,879,2637,7911
Factors of 7912
List of positive integer factors of 7912 that divides 7912 without a remainder.
1,2,4,8,23,43,46,86,92,172,184,344,989,1978,3956,7912
Greatest Common Factor
We found the factors and prime factorization of 7911 and 7912. The biggest common factor number is the GCF number.
So the greatest common factor 7911 and 7912 is 1.
Also check out the Least Common Multiple of 7911 and 7912
(i) The GCF of 7911 and 7912 is associative
GCF of 7911 and 7912 = GCF of 7912 and 7911
1. What is the GCF of 7911 and 7912?
Answer: GCF of 7911 and 7912 is 1.
2. What are the Factors of 7911?
Answer: Factors of 7911 are 1, 3, 9, 27, 293, 879, 2637, 7911. There are 8 integers that are factors of 7911. The greatest factor of 7911 is 7911.
3. What are the Factors of 7912?
Answer: Factors of 7912 are 1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912. There are 16 integers that are factors of 7912. The greatest factor of 7912 is 7912.
4. How to Find the GCF of 7911 and 7912?
Answer:
Greatest Common Factor of 7911 and 7912 = 1
Step 1: Find the prime factorization of 7911
7911 = 3 x 3 x 3 x 293
Step 2: Find the prime factorization of 7912
7912 = 2 x 2 x 2 x 23 x 43
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 7911 and 7912 is 1