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 891, 898 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 891 and 898 is 1.
GCF(891,898) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 891
3 | 891 |
3 | 297 |
3 | 99 |
3 | 33 |
11 | 11 |
1 |
Prime factors of 891 are 3,11. Prime factorization of 891 in exponential form is:
891 = 34×111
Prime Factorization of 898
2 | 898 |
449 | 449 |
1 |
Prime factors of 898 are 2,449. Prime factorization of 898 in exponential form is:
898 = 21×4491
∴ So by taking common prime factors GCF of 891 and 898 is 1
Factors of 891
List of positive integer factors of 891 that divides 891 without a remainder.
1,3,9,11,27,33,81,99,297,891
Factors of 898
List of positive integer factors of 898 that divides 898 without a remainder.
1,2,449,898
Greatest Common Factor
We found the factors and prime factorization of 891 and 898. The biggest common factor number is the GCF number.
So the greatest common factor 891 and 898 is 1.
Also check out the Least Common Multiple of 891 and 898
(i) The GCF of 891 and 898 is associative
GCF of 891 and 898 = GCF of 898 and 891
1. What is the GCF of 891 and 898?
Answer: GCF of 891 and 898 is 1.
2. What are the Factors of 891?
Answer: Factors of 891 are 1, 3, 9, 11, 27, 33, 81, 99, 297, 891. There are 10 integers that are factors of 891. The greatest factor of 891 is 891.
3. What are the Factors of 898?
Answer: Factors of 898 are 1, 2, 449, 898. There are 4 integers that are factors of 898. The greatest factor of 898 is 898.
4. How to Find the GCF of 891 and 898?
Answer:
Greatest Common Factor of 891 and 898 = 1
Step 1: Find the prime factorization of 891
891 = 3 x 3 x 3 x 3 x 11
Step 2: Find the prime factorization of 898
898 = 2 x 449
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 891 and 898 is 1