Greatest Common Factor of 9720 and 9721

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 9720, 9721 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 9720 and 9721 is 1.

GCF(9720,9721) = 1

GCF of 9720 and 9721

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

GCF of:
and

Greatest Common Factor of 9720 and 9721

GCF of 9720 and 9721 is 1

Prime Factorization of 9720


2 9720
2 4860
2 2430
3 1215
3 405
3 135
3 45
3 15
5 5
1

Prime factors of 9720 are 2,3,5. Prime factorization of 9720 in exponential form is:

9720 = 23×35×51

Prime Factorization of 9721


9721 9721
1

Prime factors of 9721 are 9721. Prime factorization of 9721 in exponential form is:

9721 = 97211

∴ So by taking common prime factors GCF of 9720 and 9721 is 1

Greatest Common Factor of 9720 and 9721 by matching factors method

Factors of 9720

List of positive integer factors of 9720 that divides 9720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,18,20,24,27,30,36,40,45,54,60,72,81,90,108,120,135,162,180,216,243,270,324,360,405,486,540,648,810,972,1080,1215,1620,1944,2430,3240,4860,9720

Factors of 9721

List of positive integer factors of 9721 that divides 9721 without a remainder.

1,9721

Greatest Common Factor

We found the factors and prime factorization of 9720 and 9721. The biggest common factor number is the GCF number.
So the greatest common factor 9720 and 9721 is 1.

Also check out the Least Common Multiple of 9720 and 9721

Properties of GCF 9720 and 9721

(i) The GCF of 9720 and 9721 is associative

GCF of 9720 and 9721 = GCF of 9721 and 9720

Frequently Asked Questions on GCF of 9720 and 9721

1. What is the GCF of 9720 and 9721?

Answer: GCF of 9720 and 9721 is 1.

2. What are the Factors of 9720?

Answer: Factors of 9720 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720. There are 48 integers that are factors of 9720. The greatest factor of 9720 is 9720.

3. What are the Factors of 9721?

Answer: Factors of 9721 are 1, 9721. There are 2 integers that are factors of 9721. The greatest factor of 9721 is 9721.

4. How to Find the GCF of 9720 and 9721?

Answer:

Greatest Common Factor of 9720 and 9721 = 1

Step 1: Find the prime factorization of 9720

9720 = 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 5

Step 2: Find the prime factorization of 9721

9721 = 9721

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

GCF = = 1

Step 4: Therefore, the greatest common factor of 9720 and 9721 is 1