Greatest Common Factor of 1815 and 1819

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 1815, 1819 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1815 and 1819 is 1.

GCF(1815,1819) = 1

GCF of 1815 and 1819

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

GCF of:
and

Greatest Common Factor of 1815 and 1819

GCF of 1815 and 1819 is 1

Prime Factorization of 1815


3 1815
5 605
11 121
11 11
1

Prime factors of 1815 are 3,5,11. Prime factorization of 1815 in exponential form is:

1815 = 31×51×112

Prime Factorization of 1819


17 1819
107 107
1

Prime factors of 1819 are 17,107. Prime factorization of 1819 in exponential form is:

1819 = 171×1071

∴ So by taking common prime factors GCF of 1815 and 1819 is 1

Greatest Common Factor of 1815 and 1819 by matching factors method

Factors of 1815

List of positive integer factors of 1815 that divides 1815 without a remainder.

1,3,5,11,15,33,55,121,165,363,605,1815

Factors of 1819

List of positive integer factors of 1819 that divides 1819 without a remainder.

1,17,107,1819

Greatest Common Factor

We found the factors and prime factorization of 1815 and 1819. The biggest common factor number is the GCF number.
So the greatest common factor 1815 and 1819 is 1.

Also check out the Least Common Multiple of 1815 and 1819

Properties of GCF 1815 and 1819

(i) The GCF of 1815 and 1819 is associative

GCF of 1815 and 1819 = GCF of 1819 and 1815

Related Greatest Common Factor of 1815

Related Greatest Common Factor of 1819

Frequently Asked Questions on GCF of 1815 and 1819

1. What is the GCF of 1815 and 1819?

Answer: GCF of 1815 and 1819 is 1.

2. What are the Factors of 1815?

Answer: Factors of 1815 are 1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815. There are 12 integers that are factors of 1815. The greatest factor of 1815 is 1815.

3. What are the Factors of 1819?

Answer: Factors of 1819 are 1, 17, 107, 1819. There are 4 integers that are factors of 1819. The greatest factor of 1819 is 1819.

4. How to Find the GCF of 1815 and 1819?

Answer:

Greatest Common Factor of 1815 and 1819 = 1

Step 1: Find the prime factorization of 1815

1815 = 3 x 5 x 11 x 11

Step 2: Find the prime factorization of 1819

1819 = 17 x 107

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 1815 and 1819 is 1