Greatest Common Factor of 1155 and 1162

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, 1162 i.e. 7 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1155 and 1162 is 7.

GCF(1155,1162) = 7

GCF of 1155 and 1162

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

GCF of:
and

Greatest Common Factor of 1155 and 1162

GCF of 1155 and 1162 is 7

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 1162


2 1162
7 581
83 83
1

Prime factors of 1162 are 2,7,83. Prime factorization of 1162 in exponential form is:

1162 = 21×71×831

∴ So by taking common prime factors GCF of 1155 and 1162 is 7

Greatest Common Factor of 1155 and 1162 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 1162

List of positive integer factors of 1162 that divides 1162 without a remainder.

1,2,7,14,83,166,581,1162

Greatest Common Factor

We found the factors and prime factorization of 1155 and 1162. The biggest common factor number is the GCF number.
So the greatest common factor 1155 and 1162 is 7.

Also check out the Least Common Multiple of 1155 and 1162

Properties of GCF 1155 and 1162

(i) The GCF of 1155 and 1162 is associative

GCF of 1155 and 1162 = GCF of 1162 and 1155

Frequently Asked Questions on GCF of 1155 and 1162

1. What is the GCF of 1155 and 1162?

Answer: GCF of 1155 and 1162 is 7.

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 1162?

Answer: Factors of 1162 are 1, 2, 7, 14, 83, 166, 581, 1162. There are 8 integers that are factors of 1162. The greatest factor of 1162 is 1162.

4. How to Find the GCF of 1155 and 1162?

Answer:

Greatest Common Factor of 1155 and 1162 = 7

Step 1: Find the prime factorization of 1155

1155 = 3 x 5 x 7 x 11

Step 2: Find the prime factorization of 1162

1162 = 2 x 7 x 83

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 7

Step 4: Therefore, the greatest common factor of 1155 and 1162 is 7