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 889, 891 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 889 and 891 is 1.
GCF(889,891) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 889
7 | 889 |
127 | 127 |
1 |
Prime factors of 889 are 7,127. Prime factorization of 889 in exponential form is:
889 = 71×1271
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
∴ So by taking common prime factors GCF of 889 and 891 is 1
Factors of 889
List of positive integer factors of 889 that divides 889 without a remainder.
1,7,127,889
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
Greatest Common Factor
We found the factors and prime factorization of 889 and 891. The biggest common factor number is the GCF number.
So the greatest common factor 889 and 891 is 1.
Also check out the Least Common Multiple of 889 and 891
(i) The GCF of 889 and 891 is associative
GCF of 889 and 891 = GCF of 891 and 889
1. What is the GCF of 889 and 891?
Answer: GCF of 889 and 891 is 1.
2. What are the Factors of 889?
Answer: Factors of 889 are 1, 7, 127, 889. There are 4 integers that are factors of 889. The greatest factor of 889 is 889.
3. 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.
4. How to Find the GCF of 889 and 891?
Answer:
Greatest Common Factor of 889 and 891 = 1
Step 1: Find the prime factorization of 889
889 = 7 x 127
Step 2: Find the prime factorization of 891
891 = 3 x 3 x 3 x 3 x 11
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 889 and 891 is 1