Greatest Common Factor of 1155 and 1158

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 1155, 1158 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1155 and 1158 is 3.

GCF(1155,1158) = 3

GCF of 1155 and 1158

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

GCF of:
and

Greatest Common Factor of 1155 and 1158

GCF of 1155 and 1158 is 3

Prime Factorization of 1155


3 1155
5 385
7 77
11 11
1

Prime factors of 1155 are 3,5,7,11. Prime factorization of 1155 in exponential form is:

1155 = 31×51×71×111

Prime Factorization of 1158


2 1158
3 579
193 193
1

Prime factors of 1158 are 2,3,193. Prime factorization of 1158 in exponential form is:

1158 = 21×31×1931

∴ So by taking common prime factors GCF of 1155 and 1158 is 3

Greatest Common Factor of 1155 and 1158 by matching factors method

Factors of 1155

List of positive integer factors of 1155 that divides 1155 without a remainder.

1,3,5,7,11,15,21,33,35,55,77,105,165,231,385,1155

Factors of 1158

List of positive integer factors of 1158 that divides 1158 without a remainder.

1,2,3,6,193,386,579,1158

Greatest Common Factor

We found the factors and prime factorization of 1155 and 1158. The biggest common factor number is the GCF number.
So the greatest common factor 1155 and 1158 is 3.

Also check out the Least Common Multiple of 1155 and 1158

Properties of GCF 1155 and 1158

(i) The GCF of 1155 and 1158 is associative

GCF of 1155 and 1158 = GCF of 1158 and 1155

Related Greatest Common Factor of 1155

Related Greatest Common Factor of 1158

Frequently Asked Questions on GCF of 1155 and 1158

1. What is the GCF of 1155 and 1158?

Answer: GCF of 1155 and 1158 is 3.

2. What are the Factors of 1155?

Answer: Factors of 1155 are 1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155. There are 16 integers that are factors of 1155. The greatest factor of 1155 is 1155.

3. What are the Factors of 1158?

Answer: Factors of 1158 are 1, 2, 3, 6, 193, 386, 579, 1158. There are 8 integers that are factors of 1158. The greatest factor of 1158 is 1158.

4. How to Find the GCF of 1155 and 1158?

Answer:

Greatest Common Factor of 1155 and 1158 = 3

Step 1: Find the prime factorization of 1155

1155 = 3 x 5 x 7 x 11

Step 2: Find the prime factorization of 1158

1158 = 2 x 3 x 193

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 1155 and 1158 is 3