Greatest Common Factor of 1143 and 1145

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, 1145 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1143 and 1145 is 1.

GCF(1143,1145) = 1

GCF of 1143 and 1145

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

GCF of:
and

Greatest Common Factor of 1143 and 1145

GCF of 1143 and 1145 is 1

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 1145


5 1145
229 229
1

Prime factors of 1145 are 5,229. Prime factorization of 1145 in exponential form is:

1145 = 51×2291

∴ So by taking common prime factors GCF of 1143 and 1145 is 1

Greatest Common Factor of 1143 and 1145 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 1145

List of positive integer factors of 1145 that divides 1145 without a remainder.

1,5,229,1145

Greatest Common Factor

We found the factors and prime factorization of 1143 and 1145. The biggest common factor number is the GCF number.
So the greatest common factor 1143 and 1145 is 1.

Also check out the Least Common Multiple of 1143 and 1145

Properties of GCF 1143 and 1145

(i) The GCF of 1143 and 1145 is associative

GCF of 1143 and 1145 = GCF of 1145 and 1143

Related Greatest Common Factor of 1143

Related Greatest Common Factor of 1145

Frequently Asked Questions on GCF of 1143 and 1145

1. What is the GCF of 1143 and 1145?

Answer: GCF of 1143 and 1145 is 1.

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 1145?

Answer: Factors of 1145 are 1, 5, 229, 1145. There are 4 integers that are factors of 1145. The greatest factor of 1145 is 1145.

4. How to Find the GCF of 1143 and 1145?

Answer:

Greatest Common Factor of 1143 and 1145 = 1

Step 1: Find the prime factorization of 1143

1143 = 3 x 3 x 127

Step 2: Find the prime factorization of 1145

1145 = 5 x 229

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 1143 and 1145 is 1