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 7971, 7978 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 7971 and 7978 is 1.
GCF(7971,7978) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 7971
3 | 7971 |
2657 | 2657 |
1 |
Prime factors of 7971 are 3,2657. Prime factorization of 7971 in exponential form is:
7971 = 31×26571
Prime Factorization of 7978
2 | 7978 |
3989 | 3989 |
1 |
Prime factors of 7978 are 2,3989. Prime factorization of 7978 in exponential form is:
7978 = 21×39891
∴ So by taking common prime factors GCF of 7971 and 7978 is 1
Factors of 7971
List of positive integer factors of 7971 that divides 7971 without a remainder.
1,3,2657,7971
Factors of 7978
List of positive integer factors of 7978 that divides 7978 without a remainder.
1,2,3989,7978
Greatest Common Factor
We found the factors and prime factorization of 7971 and 7978. The biggest common factor number is the GCF number.
So the greatest common factor 7971 and 7978 is 1.
Also check out the Least Common Multiple of 7971 and 7978
(i) The GCF of 7971 and 7978 is associative
GCF of 7971 and 7978 = GCF of 7978 and 7971
1. What is the GCF of 7971 and 7978?
Answer: GCF of 7971 and 7978 is 1.
2. What are the Factors of 7971?
Answer: Factors of 7971 are 1, 3, 2657, 7971. There are 4 integers that are factors of 7971. The greatest factor of 7971 is 7971.
3. What are the Factors of 7978?
Answer: Factors of 7978 are 1, 2, 3989, 7978. There are 4 integers that are factors of 7978. The greatest factor of 7978 is 7978.
4. How to Find the GCF of 7971 and 7978?
Answer:
Greatest Common Factor of 7971 and 7978 = 1
Step 1: Find the prime factorization of 7971
7971 = 3 x 2657
Step 2: Find the prime factorization of 7978
7978 = 2 x 3989
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 7971 and 7978 is 1