Greatest Common Factor of 855 and 859

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 855, 859 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 855 and 859 is 1.

GCF(855,859) = 1

GCF of 855 and 859

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

GCF of:
and

Greatest Common Factor of 855 and 859

GCF of 855 and 859 is 1

Prime Factorization of 855


3 855
3 285
5 95
19 19
1

Prime factors of 855 are 3,5,19. Prime factorization of 855 in exponential form is:

855 = 32×51×191

Prime Factorization of 859


859 859
1

Prime factors of 859 are 859. Prime factorization of 859 in exponential form is:

859 = 8591

∴ So by taking common prime factors GCF of 855 and 859 is 1

Greatest Common Factor of 855 and 859 by matching factors method

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 859

List of positive integer factors of 859 that divides 859 without a remainder.

1,859

Greatest Common Factor

We found the factors and prime factorization of 855 and 859. The biggest common factor number is the GCF number.
So the greatest common factor 855 and 859 is 1.

Also check out the Least Common Multiple of 855 and 859

Properties of GCF 855 and 859

(i) The GCF of 855 and 859 is associative

GCF of 855 and 859 = GCF of 859 and 855

Related Greatest Common Factor of 855

Related Greatest Common Factor of 859

Frequently Asked Questions on GCF of 855 and 859

1. What is the GCF of 855 and 859?

Answer: GCF of 855 and 859 is 1.

2. What are the Factors of 855?

Answer: Factors of 855 are 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855. There are 12 integers that are factors of 855. The greatest factor of 855 is 855.

3. What are the Factors of 859?

Answer: Factors of 859 are 1, 859. There are 2 integers that are factors of 859. The greatest factor of 859 is 859.

4. How to Find the GCF of 855 and 859?

Answer:

Greatest Common Factor of 855 and 859 = 1

Step 1: Find the prime factorization of 855

855 = 3 x 3 x 5 x 19

Step 2: Find the prime factorization of 859

859 = 859

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 855 and 859 is 1