Greatest Common Factor of 789 and 791

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 789, 791 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 789 and 791 is 1.

GCF(789,791) = 1

GCF of 789 and 791

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

GCF of:
and

Greatest Common Factor of 789 and 791

GCF of 789 and 791 is 1

Prime Factorization of 789


3 789
263 263
1

Prime factors of 789 are 3,263. Prime factorization of 789 in exponential form is:

789 = 31×2631

Prime Factorization of 791


7 791
113 113
1

Prime factors of 791 are 7,113. Prime factorization of 791 in exponential form is:

791 = 71×1131

∴ So by taking common prime factors GCF of 789 and 791 is 1

Greatest Common Factor of 789 and 791 by matching factors method

Factors of 789

List of positive integer factors of 789 that divides 789 without a remainder.

1,3,263,789

Factors of 791

List of positive integer factors of 791 that divides 791 without a remainder.

1,7,113,791

Greatest Common Factor

We found the factors and prime factorization of 789 and 791. The biggest common factor number is the GCF number.
So the greatest common factor 789 and 791 is 1.

Also check out the Least Common Multiple of 789 and 791

Properties of GCF 789 and 791

(i) The GCF of 789 and 791 is associative

GCF of 789 and 791 = GCF of 791 and 789

Frequently Asked Questions on GCF of 789 and 791

1. What is the GCF of 789 and 791?

Answer: GCF of 789 and 791 is 1.

2. What are the Factors of 789?

Answer: Factors of 789 are 1, 3, 263, 789. There are 4 integers that are factors of 789. The greatest factor of 789 is 789.

3. What are the Factors of 791?

Answer: Factors of 791 are 1, 7, 113, 791. There are 4 integers that are factors of 791. The greatest factor of 791 is 791.

4. How to Find the GCF of 789 and 791?

Answer:

Greatest Common Factor of 789 and 791 = 1

Step 1: Find the prime factorization of 789

789 = 3 x 263

Step 2: Find the prime factorization of 791

791 = 7 x 113

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 789 and 791 is 1