Greatest Common Factor of 1085 and 1089

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 1085, 1089 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1085 and 1089 is 1.

GCF(1085,1089) = 1

GCF of 1085 and 1089

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

GCF of:
and

Greatest Common Factor of 1085 and 1089

GCF of 1085 and 1089 is 1

Prime Factorization of 1085


5 1085
7 217
31 31
1

Prime factors of 1085 are 5,7,31. Prime factorization of 1085 in exponential form is:

1085 = 51×71×311

Prime Factorization of 1089


3 1089
3 363
11 121
11 11
1

Prime factors of 1089 are 3,11. Prime factorization of 1089 in exponential form is:

1089 = 32×112

∴ So by taking common prime factors GCF of 1085 and 1089 is 1

Greatest Common Factor of 1085 and 1089 by matching factors method

Factors of 1085

List of positive integer factors of 1085 that divides 1085 without a remainder.

1,5,7,31,35,155,217,1085

Factors of 1089

List of positive integer factors of 1089 that divides 1089 without a remainder.

1,3,9,11,33,99,121,363,1089

Greatest Common Factor

We found the factors and prime factorization of 1085 and 1089. The biggest common factor number is the GCF number.
So the greatest common factor 1085 and 1089 is 1.

Also check out the Least Common Multiple of 1085 and 1089

Properties of GCF 1085 and 1089

(i) The GCF of 1085 and 1089 is associative

GCF of 1085 and 1089 = GCF of 1089 and 1085

Related Greatest Common Factor of 1085

Related Greatest Common Factor of 1089

Frequently Asked Questions on GCF of 1085 and 1089

1. What is the GCF of 1085 and 1089?

Answer: GCF of 1085 and 1089 is 1.

2. What are the Factors of 1085?

Answer: Factors of 1085 are 1, 5, 7, 31, 35, 155, 217, 1085. There are 8 integers that are factors of 1085. The greatest factor of 1085 is 1085.

3. What are the Factors of 1089?

Answer: Factors of 1089 are 1, 3, 9, 11, 33, 99, 121, 363, 1089. There are 9 integers that are factors of 1089. The greatest factor of 1089 is 1089.

4. How to Find the GCF of 1085 and 1089?

Answer:

Greatest Common Factor of 1085 and 1089 = 1

Step 1: Find the prime factorization of 1085

1085 = 5 x 7 x 31

Step 2: Find the prime factorization of 1089

1089 = 3 x 3 x 11 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 1085 and 1089 is 1