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, 721 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 717 and 721 is 1.
GCF(717,721) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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 721
7 | 721 |
103 | 103 |
1 |
Prime factors of 721 are 7,103. Prime factorization of 721 in exponential form is:
721 = 71×1031
∴ So by taking common prime factors GCF of 717 and 721 is 1
Factors of 717
List of positive integer factors of 717 that divides 717 without a remainder.
1,3,239,717
Factors of 721
List of positive integer factors of 721 that divides 721 without a remainder.
1,7,103,721
Greatest Common Factor
We found the factors and prime factorization of 717 and 721. The biggest common factor number is the GCF number.
So the greatest common factor 717 and 721 is 1.
Also check out the Least Common Multiple of 717 and 721
(i) The GCF of 717 and 721 is associative
GCF of 717 and 721 = GCF of 721 and 717
1. What is the GCF of 717 and 721?
Answer: GCF of 717 and 721 is 1.
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 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.
4. How to Find the GCF of 717 and 721?
Answer:
Greatest Common Factor of 717 and 721 = 1
Step 1: Find the prime factorization of 717
717 = 3 x 239
Step 2: Find the prime factorization of 721
721 = 7 x 103
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 717 and 721 is 1