Greatest Common Factor of 1851 and 1855

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 1851, 1855 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1851 and 1855 is 1.

GCF(1851,1855) = 1

GCF of 1851 and 1855

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

GCF of:
and

Greatest Common Factor of 1851 and 1855

GCF of 1851 and 1855 is 1

Prime Factorization of 1851


3 1851
617 617
1

Prime factors of 1851 are 3,617. Prime factorization of 1851 in exponential form is:

1851 = 31×6171

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

∴ So by taking common prime factors GCF of 1851 and 1855 is 1

Greatest Common Factor of 1851 and 1855 by matching factors method

Factors of 1851

List of positive integer factors of 1851 that divides 1851 without a remainder.

1,3,617,1851

Factors of 1855

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

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

Greatest Common Factor

We found the factors and prime factorization of 1851 and 1855. The biggest common factor number is the GCF number.
So the greatest common factor 1851 and 1855 is 1.

Also check out the Least Common Multiple of 1851 and 1855

Properties of GCF 1851 and 1855

(i) The GCF of 1851 and 1855 is associative

GCF of 1851 and 1855 = GCF of 1855 and 1851

Related Greatest Common Factor of 1851

Related Greatest Common Factor of 1855

Frequently Asked Questions on GCF of 1851 and 1855

1. What is the GCF of 1851 and 1855?

Answer: GCF of 1851 and 1855 is 1.

2. What are the Factors of 1851?

Answer: Factors of 1851 are 1, 3, 617, 1851. There are 4 integers that are factors of 1851. The greatest factor of 1851 is 1851.

3. 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.

4. How to Find the GCF of 1851 and 1855?

Answer:

Greatest Common Factor of 1851 and 1855 = 1

Step 1: Find the prime factorization of 1851

1851 = 3 x 617

Step 2: Find the prime factorization of 1855

1855 = 5 x 7 x 53

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 1851 and 1855 is 1