Greatest Common Factor of 6715 and 6720

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 6715, 6720 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 6715 and 6720 is 5.

GCF(6715,6720) = 5

GCF of 6715 and 6720

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

GCF of:
and

Greatest Common Factor of 6715 and 6720

GCF of 6715 and 6720 is 5

Prime Factorization of 6715


5 6715
17 1343
79 79
1

Prime factors of 6715 are 5,17,79. Prime factorization of 6715 in exponential form is:

6715 = 51×171×791

Prime Factorization of 6720


2 6720
2 3360
2 1680
2 840
2 420
2 210
3 105
5 35
7 7
1

Prime factors of 6720 are 2,3,5,7. Prime factorization of 6720 in exponential form is:

6720 = 26×31×51×71

∴ So by taking common prime factors GCF of 6715 and 6720 is 5

Greatest Common Factor of 6715 and 6720 by matching factors method

Factors of 6715

List of positive integer factors of 6715 that divides 6715 without a remainder.

1,5,17,79,85,395,1343,6715

Factors of 6720

List of positive integer factors of 6720 that divides 6720 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,16,20,21,24,28,30,32,35,40,42,48,56,60,64,70,80,84,96,105,112,120,140,160,168,192,210,224,240,280,320,336,420,448,480,560,672,840,960,1120,1344,1680,2240,3360,6720

Greatest Common Factor

We found the factors and prime factorization of 6715 and 6720. The biggest common factor number is the GCF number.
So the greatest common factor 6715 and 6720 is 5.

Also check out the Least Common Multiple of 6715 and 6720

Properties of GCF 6715 and 6720

(i) The GCF of 6715 and 6720 is associative

GCF of 6715 and 6720 = GCF of 6720 and 6715

Frequently Asked Questions on GCF of 6715 and 6720

1. What is the GCF of 6715 and 6720?

Answer: GCF of 6715 and 6720 is 5.

2. What are the Factors of 6715?

Answer: Factors of 6715 are 1, 5, 17, 79, 85, 395, 1343, 6715. There are 8 integers that are factors of 6715. The greatest factor of 6715 is 6715.

3. What are the Factors of 6720?

Answer: Factors of 6720 are 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720. There are 56 integers that are factors of 6720. The greatest factor of 6720 is 6720.

4. How to Find the GCF of 6715 and 6720?

Answer:

Greatest Common Factor of 6715 and 6720 = 5

Step 1: Find the prime factorization of 6715

6715 = 5 x 17 x 79

Step 2: Find the prime factorization of 6720

6720 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7

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

GCF = 5

Step 4: Therefore, the greatest common factor of 6715 and 6720 is 5