Greatest Common Factor of 8715 and 8721

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 8715, 8721 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 8715 and 8721 is 3.

GCF(8715,8721) = 3

GCF of 8715 and 8721

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

GCF of:
and

Greatest Common Factor of 8715 and 8721

GCF of 8715 and 8721 is 3

Prime Factorization of 8715


3 8715
5 2905
7 581
83 83
1

Prime factors of 8715 are 3,5,7,83. Prime factorization of 8715 in exponential form is:

8715 = 31×51×71×831

Prime Factorization of 8721


3 8721
3 2907
3 969
17 323
19 19
1

Prime factors of 8721 are 3,17,19. Prime factorization of 8721 in exponential form is:

8721 = 33×171×191

∴ So by taking common prime factors GCF of 8715 and 8721 is 3

Greatest Common Factor of 8715 and 8721 by matching factors method

Factors of 8715

List of positive integer factors of 8715 that divides 8715 without a remainder.

1,3,5,7,15,21,35,83,105,249,415,581,1245,1743,2905,8715

Factors of 8721

List of positive integer factors of 8721 that divides 8721 without a remainder.

1,3,9,17,19,27,51,57,153,171,323,459,513,969,2907,8721

Greatest Common Factor

We found the factors and prime factorization of 8715 and 8721. The biggest common factor number is the GCF number.
So the greatest common factor 8715 and 8721 is 3.

Also check out the Least Common Multiple of 8715 and 8721

Properties of GCF 8715 and 8721

(i) The GCF of 8715 and 8721 is associative

GCF of 8715 and 8721 = GCF of 8721 and 8715

Related Greatest Common Factor of 8715

Related Greatest Common Factor of 8721

Frequently Asked Questions on GCF of 8715 and 8721

1. What is the GCF of 8715 and 8721?

Answer: GCF of 8715 and 8721 is 3.

2. What are the Factors of 8715?

Answer: Factors of 8715 are 1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2905, 8715. There are 16 integers that are factors of 8715. The greatest factor of 8715 is 8715.

3. What are the Factors of 8721?

Answer: Factors of 8721 are 1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2907, 8721. There are 16 integers that are factors of 8721. The greatest factor of 8721 is 8721.

4. How to Find the GCF of 8715 and 8721?

Answer:

Greatest Common Factor of 8715 and 8721 = 3

Step 1: Find the prime factorization of 8715

8715 = 3 x 5 x 7 x 83

Step 2: Find the prime factorization of 8721

8721 = 3 x 3 x 3 x 17 x 19

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 8715 and 8721 is 3