Greatest Common Factor of 1855 and 1857

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 1855, 1857 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1855 and 1857 is 1.

GCF(1855,1857) = 1

GCF of 1855 and 1857

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

GCF of:
and

Greatest Common Factor of 1855 and 1857

GCF of 1855 and 1857 is 1

Prime Factorization of 1855


5 1855
7 371
53 53
1

Prime factors of 1855 are 5,7,53. Prime factorization of 1855 in exponential form is:

1855 = 51×71×531

Prime Factorization of 1857


3 1857
619 619
1

Prime factors of 1857 are 3,619. Prime factorization of 1857 in exponential form is:

1857 = 31×6191

∴ So by taking common prime factors GCF of 1855 and 1857 is 1

Greatest Common Factor of 1855 and 1857 by matching factors method

Factors of 1855

List of positive integer factors of 1855 that divides 1855 without a remainder.

1,5,7,35,53,265,371,1855

Factors of 1857

List of positive integer factors of 1857 that divides 1857 without a remainder.

1,3,619,1857

Greatest Common Factor

We found the factors and prime factorization of 1855 and 1857. The biggest common factor number is the GCF number.
So the greatest common factor 1855 and 1857 is 1.

Also check out the Least Common Multiple of 1855 and 1857

Properties of GCF 1855 and 1857

(i) The GCF of 1855 and 1857 is associative

GCF of 1855 and 1857 = GCF of 1857 and 1855

Frequently Asked Questions on GCF of 1855 and 1857

1. What is the GCF of 1855 and 1857?

Answer: GCF of 1855 and 1857 is 1.

2. What are the Factors of 1855?

Answer: Factors of 1855 are 1, 5, 7, 35, 53, 265, 371, 1855. There are 8 integers that are factors of 1855. The greatest factor of 1855 is 1855.

3. What are the Factors of 1857?

Answer: Factors of 1857 are 1, 3, 619, 1857. There are 4 integers that are factors of 1857. The greatest factor of 1857 is 1857.

4. How to Find the GCF of 1855 and 1857?

Answer:

Greatest Common Factor of 1855 and 1857 = 1

Step 1: Find the prime factorization of 1855

1855 = 5 x 7 x 53

Step 2: Find the prime factorization of 1857

1857 = 3 x 619

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 1855 and 1857 is 1