Greatest Common Factor of 890 and 891

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 890, 891 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 890 and 891 is 1.

GCF(890,891) = 1

GCF of 890 and 891

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 890 and 891

GCF of 890 and 891 is 1

Prime Factorization of 890


2 890
5 445
89 89
1

Prime factors of 890 are 2,5,89. Prime factorization of 890 in exponential form is:

890 = 21×51×891

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 890 and 891 is 1

Greatest Common Factor of 890 and 891 by matching factors method

Factors of 890

List of positive integer factors of 890 that divides 890 without a remainder.

1,2,5,10,89,178,445,890

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 890 and 891. The biggest common factor number is the GCF number.
So the greatest common factor 890 and 891 is 1.

Also check out the Least Common Multiple of 890 and 891

Properties of GCF 890 and 891

(i) The GCF of 890 and 891 is associative

GCF of 890 and 891 = GCF of 891 and 890

Related Greatest Common Factor of 890

Related Greatest Common Factor of 891

Frequently Asked Questions on GCF of 890 and 891

1. What is the GCF of 890 and 891?

Answer: GCF of 890 and 891 is 1.

2. What are the Factors of 890?

Answer: Factors of 890 are 1, 2, 5, 10, 89, 178, 445, 890. There are 8 integers that are factors of 890. The greatest factor of 890 is 890.

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 890 and 891?

Answer:

Greatest Common Factor of 890 and 891 = 1

Step 1: Find the prime factorization of 890

890 = 2 x 5 x 89

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 890 and 891 is 1