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GCD of 813, 789, 389 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 813, 789, 389 quickly. Get the easiest ways to solve the greatest common divisor of 813, 789, 389 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 813, 789, 389 with Factoring?

Given Input numbers are 813, 789, 389

In the factoring method, we have to find the divisors of all numbers

Divisors of 813 :

The positive integer divisors of 813 that completely divides 813 are.

1, 3, 271, 813

Divisors of 789 :

The positive integer divisors of 789 that completely divides 789 are.

1, 3, 263, 789

Divisors of 389 :

The positive integer divisors of 389 that completely divides 389 are.

1, 389


GCD of numbers is the greatest common divisor

So, the GCD (813, 789, 389) = 1.

Find GCD of 813, 789, 389 using Prime Factorization

Given numbers are 813, 789, 389

The list of prime factors of all numbers are

Prime factors of 813 are 3 x 271

Prime factors of 789 are 3 x 263

Prime factors of 389 are 389

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 813, 789, 389 using LCM Formula

Given numbers are 813, 789, 389

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(813, 789) = 213819

GCD(813, 789) = ( 813 x 789 ) / 213819

= 813 / 789

= 813


Step2:

LCM(3, 389) = 1167

GCD(3, 389) = ( 3 x 389 ) / 1167

= 3 / 389

= 3


So, Greatest Common Divisor of 813, 789, 389 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 813, 789, 389

Given numbers are 813, 789, 389
The greatest common divisor of numbers 813, 789, 389 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 813, 789, 389 is 1.

FAQs on GCD of 813, 789, 389 Calculator

1. What is the GCD of 813, 789, 389?

GCD of given numbers 813, 789, 389 is 1


2. How to calculate the greatest common divisor of 813, 789, 389?

We can find the highest common divisor of 813, 789, 389 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 813, 789, 389 i.e 1.


3. How can I use the GCD of 813, 789, 389Calculator?

Out the numbers 813, 789, 389 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.