Greatest Common Factor of 721 and 724

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 721, 724 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 721 and 724 is 1.

GCF(721,724) = 1

GCF of 721 and 724

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

GCF of:
and

Greatest Common Factor of 721 and 724

GCF of 721 and 724 is 1

Prime Factorization of 721


7 721
103 103
1

Prime factors of 721 are 7,103. Prime factorization of 721 in exponential form is:

721 = 71×1031

Prime Factorization of 724


2 724
2 362
181 181
1

Prime factors of 724 are 2,181. Prime factorization of 724 in exponential form is:

724 = 22×1811

∴ So by taking common prime factors GCF of 721 and 724 is 1

Greatest Common Factor of 721 and 724 by matching factors method

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 724

List of positive integer factors of 724 that divides 724 without a remainder.

1,2,4,181,362,724

Greatest Common Factor

We found the factors and prime factorization of 721 and 724. The biggest common factor number is the GCF number.
So the greatest common factor 721 and 724 is 1.

Also check out the Least Common Multiple of 721 and 724

Properties of GCF 721 and 724

(i) The GCF of 721 and 724 is associative

GCF of 721 and 724 = GCF of 724 and 721

Frequently Asked Questions on GCF of 721 and 724

1. What is the GCF of 721 and 724?

Answer: GCF of 721 and 724 is 1.

2. What are the Factors of 721?

Answer: Factors of 721 are 1, 7, 103, 721. There are 4 integers that are factors of 721. The greatest factor of 721 is 721.

3. What are the Factors of 724?

Answer: Factors of 724 are 1, 2, 4, 181, 362, 724. There are 6 integers that are factors of 724. The greatest factor of 724 is 724.

4. How to Find the GCF of 721 and 724?

Answer:

Greatest Common Factor of 721 and 724 = 1

Step 1: Find the prime factorization of 721

721 = 7 x 103

Step 2: Find the prime factorization of 724

724 = 2 x 2 x 181

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 721 and 724 is 1