Greatest Common Factor of 717 and 720

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 717, 720 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 717 and 720 is 3.

GCF(717,720) = 3

GCF of 717 and 720

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

GCF of:
and

Greatest Common Factor of 717 and 720

GCF of 717 and 720 is 3

Prime Factorization of 717


3 717
239 239
1

Prime factors of 717 are 3,239. Prime factorization of 717 in exponential form is:

717 = 31×2391

Prime Factorization of 720


2 720
2 360
2 180
2 90
3 45
3 15
5 5
1

Prime factors of 720 are 2,3,5. Prime factorization of 720 in exponential form is:

720 = 24×32×51

∴ So by taking common prime factors GCF of 717 and 720 is 3

Greatest Common Factor of 717 and 720 by matching factors method

Factors of 717

List of positive integer factors of 717 that divides 717 without a remainder.

1,3,239,717

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Greatest Common Factor

We found the factors and prime factorization of 717 and 720. The biggest common factor number is the GCF number.
So the greatest common factor 717 and 720 is 3.

Also check out the Least Common Multiple of 717 and 720

Properties of GCF 717 and 720

(i) The GCF of 717 and 720 is associative

GCF of 717 and 720 = GCF of 720 and 717

Related Greatest Common Factor of 717

Related Greatest Common Factor of 720

Frequently Asked Questions on GCF of 717 and 720

1. What is the GCF of 717 and 720?

Answer: GCF of 717 and 720 is 3.

2. What are the Factors of 717?

Answer: Factors of 717 are 1, 3, 239, 717. There are 4 integers that are factors of 717. The greatest factor of 717 is 717.

3. What are the Factors of 720?

Answer: Factors of 720 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720. There are 30 integers that are factors of 720. The greatest factor of 720 is 720.

4. How to Find the GCF of 717 and 720?

Answer:

Greatest Common Factor of 717 and 720 = 3

Step 1: Find the prime factorization of 717

717 = 3 x 239

Step 2: Find the prime factorization of 720

720 = 2 x 2 x 2 x 2 x 3 x 3 x 5

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 717 and 720 is 3