Greatest Common Factor of 3855 and 3858

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 3855, 3858 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 3855 and 3858 is 3.

GCF(3855,3858) = 3

GCF of 3855 and 3858

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

GCF of:
and

Greatest Common Factor of 3855 and 3858

GCF of 3855 and 3858 is 3

Prime Factorization of 3855


3 3855
5 1285
257 257
1

Prime factors of 3855 are 3,5,257. Prime factorization of 3855 in exponential form is:

3855 = 31×51×2571

Prime Factorization of 3858


2 3858
3 1929
643 643
1

Prime factors of 3858 are 2,3,643. Prime factorization of 3858 in exponential form is:

3858 = 21×31×6431

∴ So by taking common prime factors GCF of 3855 and 3858 is 3

Greatest Common Factor of 3855 and 3858 by matching factors method

Factors of 3855

List of positive integer factors of 3855 that divides 3855 without a remainder.

1,3,5,15,257,771,1285,3855

Factors of 3858

List of positive integer factors of 3858 that divides 3858 without a remainder.

1,2,3,6,643,1286,1929,3858

Greatest Common Factor

We found the factors and prime factorization of 3855 and 3858. The biggest common factor number is the GCF number.
So the greatest common factor 3855 and 3858 is 3.

Also check out the Least Common Multiple of 3855 and 3858

Properties of GCF 3855 and 3858

(i) The GCF of 3855 and 3858 is associative

GCF of 3855 and 3858 = GCF of 3858 and 3855

Frequently Asked Questions on GCF of 3855 and 3858

1. What is the GCF of 3855 and 3858?

Answer: GCF of 3855 and 3858 is 3.

2. What are the Factors of 3855?

Answer: Factors of 3855 are 1, 3, 5, 15, 257, 771, 1285, 3855. There are 8 integers that are factors of 3855. The greatest factor of 3855 is 3855.

3. What are the Factors of 3858?

Answer: Factors of 3858 are 1, 2, 3, 6, 643, 1286, 1929, 3858. There are 8 integers that are factors of 3858. The greatest factor of 3858 is 3858.

4. How to Find the GCF of 3855 and 3858?

Answer:

Greatest Common Factor of 3855 and 3858 = 3

Step 1: Find the prime factorization of 3855

3855 = 3 x 5 x 257

Step 2: Find the prime factorization of 3858

3858 = 2 x 3 x 643

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 3

Step 4: Therefore, the greatest common factor of 3855 and 3858 is 3