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
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
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
(i) The GCF of 721 and 724 is associative
GCF of 721 and 724 = GCF of 724 and 721
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