Greatest Common Factor of 1185 and 1188

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 1185, 1188 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1185 and 1188 is 3.

GCF(1185,1188) = 3

GCF of 1185 and 1188

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

GCF of:
and

Greatest Common Factor of 1185 and 1188

GCF of 1185 and 1188 is 3

Prime Factorization of 1185


3 1185
5 395
79 79
1

Prime factors of 1185 are 3,5,79. Prime factorization of 1185 in exponential form is:

1185 = 31×51×791

Prime Factorization of 1188


2 1188
2 594
3 297
3 99
3 33
11 11
1

Prime factors of 1188 are 2,3,11. Prime factorization of 1188 in exponential form is:

1188 = 22×33×111

∴ So by taking common prime factors GCF of 1185 and 1188 is 3

Greatest Common Factor of 1185 and 1188 by matching factors method

Factors of 1185

List of positive integer factors of 1185 that divides 1185 without a remainder.

1,3,5,15,79,237,395,1185

Factors of 1188

List of positive integer factors of 1188 that divides 1188 without a remainder.

1,2,3,4,6,9,11,12,18,22,27,33,36,44,54,66,99,108,132,198,297,396,594,1188

Greatest Common Factor

We found the factors and prime factorization of 1185 and 1188. The biggest common factor number is the GCF number.
So the greatest common factor 1185 and 1188 is 3.

Also check out the Least Common Multiple of 1185 and 1188

Properties of GCF 1185 and 1188

(i) The GCF of 1185 and 1188 is associative

GCF of 1185 and 1188 = GCF of 1188 and 1185

Frequently Asked Questions on GCF of 1185 and 1188

1. What is the GCF of 1185 and 1188?

Answer: GCF of 1185 and 1188 is 3.

2. What are the Factors of 1185?

Answer: Factors of 1185 are 1, 3, 5, 15, 79, 237, 395, 1185. There are 8 integers that are factors of 1185. The greatest factor of 1185 is 1185.

3. What are the Factors of 1188?

Answer: Factors of 1188 are 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188. There are 24 integers that are factors of 1188. The greatest factor of 1188 is 1188.

4. How to Find the GCF of 1185 and 1188?

Answer:

Greatest Common Factor of 1185 and 1188 = 3

Step 1: Find the prime factorization of 1185

1185 = 3 x 5 x 79

Step 2: Find the prime factorization of 1188

1188 = 2 x 2 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 = 3

Step 4: Therefore, the greatest common factor of 1185 and 1188 is 3