Greatest Common Factor of 3918 and 3921

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 3918, 3921 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 3918 and 3921 is 3.

GCF(3918,3921) = 3

GCF of 3918 and 3921

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

GCF of:
and

Greatest Common Factor of 3918 and 3921

GCF of 3918 and 3921 is 3

Prime Factorization of 3918


2 3918
3 1959
653 653
1

Prime factors of 3918 are 2,3,653. Prime factorization of 3918 in exponential form is:

3918 = 21×31×6531

Prime Factorization of 3921


3 3921
1307 1307
1

Prime factors of 3921 are 3,1307. Prime factorization of 3921 in exponential form is:

3921 = 31×13071

∴ So by taking common prime factors GCF of 3918 and 3921 is 3

Greatest Common Factor of 3918 and 3921 by matching factors method

Factors of 3918

List of positive integer factors of 3918 that divides 3918 without a remainder.

1,2,3,6,653,1306,1959,3918

Factors of 3921

List of positive integer factors of 3921 that divides 3921 without a remainder.

1,3,1307,3921

Greatest Common Factor

We found the factors and prime factorization of 3918 and 3921. The biggest common factor number is the GCF number.
So the greatest common factor 3918 and 3921 is 3.

Also check out the Least Common Multiple of 3918 and 3921

Properties of GCF 3918 and 3921

(i) The GCF of 3918 and 3921 is associative

GCF of 3918 and 3921 = GCF of 3921 and 3918

Frequently Asked Questions on GCF of 3918 and 3921

1. What is the GCF of 3918 and 3921?

Answer: GCF of 3918 and 3921 is 3.

2. What are the Factors of 3918?

Answer: Factors of 3918 are 1, 2, 3, 6, 653, 1306, 1959, 3918. There are 8 integers that are factors of 3918. The greatest factor of 3918 is 3918.

3. What are the Factors of 3921?

Answer: Factors of 3921 are 1, 3, 1307, 3921. There are 4 integers that are factors of 3921. The greatest factor of 3921 is 3921.

4. How to Find the GCF of 3918 and 3921?

Answer:

Greatest Common Factor of 3918 and 3921 = 3

Step 1: Find the prime factorization of 3918

3918 = 2 x 3 x 653

Step 2: Find the prime factorization of 3921

3921 = 3 x 1307

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 3918 and 3921 is 3