Greatest Common Factor of 1143 and 1146

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 1143, 1146 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1143 and 1146 is 3.

GCF(1143,1146) = 3

GCF of 1143 and 1146

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

GCF of:
and

Greatest Common Factor of 1143 and 1146

GCF of 1143 and 1146 is 3

Prime Factorization of 1143


3 1143
3 381
127 127
1

Prime factors of 1143 are 3,127. Prime factorization of 1143 in exponential form is:

1143 = 32×1271

Prime Factorization of 1146


2 1146
3 573
191 191
1

Prime factors of 1146 are 2,3,191. Prime factorization of 1146 in exponential form is:

1146 = 21×31×1911

∴ So by taking common prime factors GCF of 1143 and 1146 is 3

Greatest Common Factor of 1143 and 1146 by matching factors method

Factors of 1143

List of positive integer factors of 1143 that divides 1143 without a remainder.

1,3,9,127,381,1143

Factors of 1146

List of positive integer factors of 1146 that divides 1146 without a remainder.

1,2,3,6,191,382,573,1146

Greatest Common Factor

We found the factors and prime factorization of 1143 and 1146. The biggest common factor number is the GCF number.
So the greatest common factor 1143 and 1146 is 3.

Also check out the Least Common Multiple of 1143 and 1146

Properties of GCF 1143 and 1146

(i) The GCF of 1143 and 1146 is associative

GCF of 1143 and 1146 = GCF of 1146 and 1143

Frequently Asked Questions on GCF of 1143 and 1146

1. What is the GCF of 1143 and 1146?

Answer: GCF of 1143 and 1146 is 3.

2. What are the Factors of 1143?

Answer: Factors of 1143 are 1, 3, 9, 127, 381, 1143. There are 6 integers that are factors of 1143. The greatest factor of 1143 is 1143.

3. What are the Factors of 1146?

Answer: Factors of 1146 are 1, 2, 3, 6, 191, 382, 573, 1146. There are 8 integers that are factors of 1146. The greatest factor of 1146 is 1146.

4. How to Find the GCF of 1143 and 1146?

Answer:

Greatest Common Factor of 1143 and 1146 = 3

Step 1: Find the prime factorization of 1143

1143 = 3 x 3 x 127

Step 2: Find the prime factorization of 1146

1146 = 2 x 3 x 191

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 1143 and 1146 is 3