Greatest Common Factor of 7911 and 7917

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 7911, 7917 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 7911 and 7917 is 3.

GCF(7911,7917) = 3

GCF of 7911 and 7917

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

GCF of:
and

Greatest Common Factor of 7911 and 7917

GCF of 7911 and 7917 is 3

Prime Factorization of 7911


3 7911
3 2637
3 879
293 293
1

Prime factors of 7911 are 3,293. Prime factorization of 7911 in exponential form is:

7911 = 33×2931

Prime Factorization of 7917


3 7917
7 2639
13 377
29 29
1

Prime factors of 7917 are 3,7,13,29. Prime factorization of 7917 in exponential form is:

7917 = 31×71×131×291

∴ So by taking common prime factors GCF of 7911 and 7917 is 3

Greatest Common Factor of 7911 and 7917 by matching factors method

Factors of 7911

List of positive integer factors of 7911 that divides 7911 without a remainder.

1,3,9,27,293,879,2637,7911

Factors of 7917

List of positive integer factors of 7917 that divides 7917 without a remainder.

1,3,7,13,21,29,39,87,91,203,273,377,609,1131,2639,7917

Greatest Common Factor

We found the factors and prime factorization of 7911 and 7917. The biggest common factor number is the GCF number.
So the greatest common factor 7911 and 7917 is 3.

Also check out the Least Common Multiple of 7911 and 7917

Properties of GCF 7911 and 7917

(i) The GCF of 7911 and 7917 is associative

GCF of 7911 and 7917 = GCF of 7917 and 7911

Frequently Asked Questions on GCF of 7911 and 7917

1. What is the GCF of 7911 and 7917?

Answer: GCF of 7911 and 7917 is 3.

2. What are the Factors of 7911?

Answer: Factors of 7911 are 1, 3, 9, 27, 293, 879, 2637, 7911. There are 8 integers that are factors of 7911. The greatest factor of 7911 is 7911.

3. What are the Factors of 7917?

Answer: Factors of 7917 are 1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917. There are 16 integers that are factors of 7917. The greatest factor of 7917 is 7917.

4. How to Find the GCF of 7911 and 7917?

Answer:

Greatest Common Factor of 7911 and 7917 = 3

Step 1: Find the prime factorization of 7911

7911 = 3 x 3 x 3 x 293

Step 2: Find the prime factorization of 7917

7917 = 3 x 7 x 13 x 29

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 7911 and 7917 is 3