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 870, 871 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 870 and 871 is 1.
GCF(870,871) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 870
2 | 870 |
3 | 435 |
5 | 145 |
29 | 29 |
1 |
Prime factors of 870 are 2,3,5,29. Prime factorization of 870 in exponential form is:
870 = 21×31×51×291
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
∴ So by taking common prime factors GCF of 870 and 871 is 1
Factors of 870
List of positive integer factors of 870 that divides 870 without a remainder.
1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870
Factors of 871
List of positive integer factors of 871 that divides 871 without a remainder.
1,13,67,871
Greatest Common Factor
We found the factors and prime factorization of 870 and 871. The biggest common factor number is the GCF number.
So the greatest common factor 870 and 871 is 1.
Also check out the Least Common Multiple of 870 and 871
(i) The GCF of 870 and 871 is associative
GCF of 870 and 871 = GCF of 871 and 870
1. What is the GCF of 870 and 871?
Answer: GCF of 870 and 871 is 1.
2. What are the Factors of 870?
Answer: Factors of 870 are 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870. There are 16 integers that are factors of 870. The greatest factor of 870 is 870.
3. 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.
4. How to Find the GCF of 870 and 871?
Answer:
Greatest Common Factor of 870 and 871 = 1
Step 1: Find the prime factorization of 870
870 = 2 x 3 x 5 x 29
Step 2: Find the prime factorization of 871
871 = 13 x 67
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 870 and 871 is 1