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 729, 731 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 729 and 731 is 1.
GCF(729,731) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 729
3 | 729 |
3 | 243 |
3 | 81 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 729 are 3. Prime factorization of 729 in exponential form is:
729 = 36
Prime Factorization of 731
17 | 731 |
43 | 43 |
1 |
Prime factors of 731 are 17.Prime factorization of 731 in exponential form is:
731 = 171×431
∴ So by taking common prime factors GCF of 729 and 731 is 1
Factors of 729
List of positive integer factors of 729 that divides 729 without a remainder.
1,3,9,27,81,243,729
Factors of 731
List of positive integer factors of 731 that divides 731 without a remainder.
1,17,43,731
Greatest Common Factor
We found the factors and prime factorization of 729 and 731. The biggest common factor number is the GCF number.
So the greatest common factor 729 and 731 is 1.
Also check out the Least Common Multiple of 729 and 731
(i) The GCF of 729 and 731 is associative
GCF of 729 and 731 = GCF of 731 and 729
1. What is the GCF of 729 and 731?
Answer: GCF of 729 and 731 is 1.
2. What are the Factors of 729?
Answer: Factors of 729 are 1, 3, 9, 27, 81, 243, 729. There are 7 integers that are factors of 729. The greatest factor of 729 is 729.
3. What are the Factors of 731?
Answer: Factors of 731 are 1, 17, 43, 731. There are 4 integers that are factors of 731. The greatest factor of 731 is 731.
4. How to Find the GCF of 729 and 731?
Answer:
Greatest Common Factor of 729 and 731 = 1
Step 1: Find the prime factorization of 729
729 = 3 x 3 x 3 x 3 x 3 x 3
Step 2: Find the prime factorization of 731
731 = 17 x 43
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 729 and 731 is 1