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, 874 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 870 and 874 is 2.
GCF(870,874) = 2
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 874
2 | 874 |
19 | 437 |
23 | 23 |
1 |
Prime factors of 874 are 2,19,23. Prime factorization of 874 in exponential form is:
874 = 21×191×231
∴ So by taking common prime factors GCF of 870 and 874 is 2
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 874
List of positive integer factors of 874 that divides 874 without a remainder.
1,2,19,23,38,46,437,874
Greatest Common Factor
We found the factors and prime factorization of 870 and 874. The biggest common factor number is the GCF number.
So the greatest common factor 870 and 874 is 2.
Also check out the Least Common Multiple of 870 and 874
(i) The GCF of 870 and 874 is associative
GCF of 870 and 874 = GCF of 874 and 870
1. What is the GCF of 870 and 874?
Answer: GCF of 870 and 874 is 2.
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 874?
Answer: Factors of 874 are 1, 2, 19, 23, 38, 46, 437, 874. There are 8 integers that are factors of 874. The greatest factor of 874 is 874.
4. How to Find the GCF of 870 and 874?
Answer:
Greatest Common Factor of 870 and 874 = 2
Step 1: Find the prime factorization of 870
870 = 2 x 3 x 5 x 29
Step 2: Find the prime factorization of 874
874 = 2 x 19 x 23
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 870 and 874 is 2