Greatest Common Factor of 1145 and 1147

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 1145, 1147 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1145 and 1147 is 1.

GCF(1145,1147) = 1

GCF of 1145 and 1147

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

GCF of:
and

Greatest Common Factor of 1145 and 1147

GCF of 1145 and 1147 is 1

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

Prime Factorization of 1147


31 1147
37 37
1

Prime factors of 1147 are 31,37. Prime factorization of 1147 in exponential form is:

1147 = 311×371

∴ So by taking common prime factors GCF of 1145 and 1147 is 1

Greatest Common Factor of 1145 and 1147 by matching factors method

Factors of 1145

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

1,5,229,1145

Factors of 1147

List of positive integer factors of 1147 that divides 1147 without a remainder.

1,31,37,1147

Greatest Common Factor

We found the factors and prime factorization of 1145 and 1147. The biggest common factor number is the GCF number.
So the greatest common factor 1145 and 1147 is 1.

Also check out the Least Common Multiple of 1145 and 1147

Properties of GCF 1145 and 1147

(i) The GCF of 1145 and 1147 is associative

GCF of 1145 and 1147 = GCF of 1147 and 1145

Frequently Asked Questions on GCF of 1145 and 1147

1. What is the GCF of 1145 and 1147?

Answer: GCF of 1145 and 1147 is 1.

2. 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.

3. What are the Factors of 1147?

Answer: Factors of 1147 are 1, 31, 37, 1147. There are 4 integers that are factors of 1147. The greatest factor of 1147 is 1147.

4. How to Find the GCF of 1145 and 1147?

Answer:

Greatest Common Factor of 1145 and 1147 = 1

Step 1: Find the prime factorization of 1145

1145 = 5 x 229

Step 2: Find the prime factorization of 1147

1147 = 31 x 37

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 1145 and 1147 is 1