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 725, 729 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 725 and 729 is 1.
GCF(725,729) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 725
5 | 725 |
5 | 145 |
29 | 29 |
1 |
Prime factors of 725 are 5,29. Prime factorization of 725 in exponential form is:
725 = 52×291
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
∴ So by taking common prime factors GCF of 725 and 729 is 1
Factors of 725
List of positive integer factors of 725 that divides 725 without a remainder.
1,5,25,29,145,725
Factors of 729
List of positive integer factors of 729 that divides 729 without a remainder.
1,3,9,27,81,243,729
Greatest Common Factor
We found the factors and prime factorization of 725 and 729. The biggest common factor number is the GCF number.
So the greatest common factor 725 and 729 is 1.
Also check out the Least Common Multiple of 725 and 729
(i) The GCF of 725 and 729 is associative
GCF of 725 and 729 = GCF of 729 and 725
1. What is the GCF of 725 and 729?
Answer: GCF of 725 and 729 is 1.
2. What are the Factors of 725?
Answer: Factors of 725 are 1, 5, 25, 29, 145, 725. There are 6 integers that are factors of 725. The greatest factor of 725 is 725.
3. 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.
4. How to Find the GCF of 725 and 729?
Answer:
Greatest Common Factor of 725 and 729 = 1
Step 1: Find the prime factorization of 725
725 = 5 x 5 x 29
Step 2: Find the prime factorization of 729
729 = 3 x 3 x 3 x 3 x 3 x 3
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 725 and 729 is 1