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 871, 878 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 871 and 878 is 1.
GCF(871,878) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 871
13 | 871 |
67 | 67 |
1 |
Prime factors of 871 are 13,67. Prime factorization of 871 in exponential form is:
871 = 131×671
Prime Factorization of 878
2 | 878 |
439 | 439 |
1 |
Prime factors of 878 are 2,439. Prime factorization of 878 in exponential form is:
878 = 21×4391
∴ So by taking common prime factors GCF of 871 and 878 is 1
Factors of 871
List of positive integer factors of 871 that divides 871 without a remainder.
1,13,67,871
Factors of 878
List of positive integer factors of 878 that divides 878 without a remainder.
1,2,439,878
Greatest Common Factor
We found the factors and prime factorization of 871 and 878. The biggest common factor number is the GCF number.
So the greatest common factor 871 and 878 is 1.
Also check out the Least Common Multiple of 871 and 878
(i) The GCF of 871 and 878 is associative
GCF of 871 and 878 = GCF of 878 and 871
1. What is the GCF of 871 and 878?
Answer: GCF of 871 and 878 is 1.
2. What are the Factors of 871?
Answer: Factors of 871 are 1, 13, 67, 871. There are 4 integers that are factors of 871. The greatest factor of 871 is 871.
3. What are the Factors of 878?
Answer: Factors of 878 are 1, 2, 439, 878. There are 4 integers that are factors of 878. The greatest factor of 878 is 878.
4. How to Find the GCF of 871 and 878?
Answer:
Greatest Common Factor of 871 and 878 = 1
Step 1: Find the prime factorization of 871
871 = 13 x 67
Step 2: Find the prime factorization of 878
878 = 2 x 439
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 871 and 878 is 1