Greatest Common Factor of 728 and 731

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 728, 731 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 728 and 731 is 1.

GCF(728,731) = 1

GCF of 728 and 731

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

GCF of:
and

Greatest Common Factor of 728 and 731

GCF of 728 and 731 is 1

Prime Factorization of 728


2 728
2 364
2 182
7 91
13 13
1

Prime factors of 728 are 2,7,13. Prime factorization of 728 in exponential form is:

728 = 23×71×131

Prime Factorization of 731


17 731
43 43
1

Prime factors of 731 are 17,43. Prime factorization of 731 in exponential form is:

731 = 171×431

∴ So by taking common prime factors GCF of 728 and 731 is 1

Greatest Common Factor of 728 and 731 by matching factors method

Factors of 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

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 728 and 731. The biggest common factor number is the GCF number.
So the greatest common factor 728 and 731 is 1.

Also check out the Least Common Multiple of 728 and 731

Properties of GCF 728 and 731

(i) The GCF of 728 and 731 is associative

GCF of 728 and 731 = GCF of 731 and 728

Related Greatest Common Factor of 728

Related Greatest Common Factor of 731

Frequently Asked Questions on GCF of 728 and 731

1. What is the GCF of 728 and 731?

Answer: GCF of 728 and 731 is 1.

2. What are the Factors of 728?

Answer: Factors of 728 are 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728. There are 16 integers that are factors of 728. The greatest factor of 728 is 728.

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 728 and 731?

Answer:

Greatest Common Factor of 728 and 731 = 1

Step 1: Find the prime factorization of 728

728 = 2 x 2 x 2 x 7 x 13

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 728 and 731 is 1