Greatest Common Factor of 1155 and 1156

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, 1156 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1155 and 1156 is 1.

GCF(1155,1156) = 1

GCF of 1155 and 1156

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

GCF of:
and

Greatest Common Factor of 1155 and 1156

GCF of 1155 and 1156 is 1

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 1156


2 1156
2 578
17 289
17 17
1

Prime factors of 1156 are 2,17. Prime factorization of 1156 in exponential form is:

1156 = 22×172

∴ So by taking common prime factors GCF of 1155 and 1156 is 1

Greatest Common Factor of 1155 and 1156 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 1156

List of positive integer factors of 1156 that divides 1156 without a remainder.

1,2,4,17,34,68,289,578,1156

Greatest Common Factor

We found the factors and prime factorization of 1155 and 1156. The biggest common factor number is the GCF number.
So the greatest common factor 1155 and 1156 is 1.

Also check out the Least Common Multiple of 1155 and 1156

Properties of GCF 1155 and 1156

(i) The GCF of 1155 and 1156 is associative

GCF of 1155 and 1156 = GCF of 1156 and 1155

Frequently Asked Questions on GCF of 1155 and 1156

1. What is the GCF of 1155 and 1156?

Answer: GCF of 1155 and 1156 is 1.

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 1156?

Answer: Factors of 1156 are 1, 2, 4, 17, 34, 68, 289, 578, 1156. There are 9 integers that are factors of 1156. The greatest factor of 1156 is 1156.

4. How to Find the GCF of 1155 and 1156?

Answer:

Greatest Common Factor of 1155 and 1156 = 1

Step 1: Find the prime factorization of 1155

1155 = 3 x 5 x 7 x 11

Step 2: Find the prime factorization of 1156

1156 = 2 x 2 x 17 x 17

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 1155 and 1156 is 1