Where do I get the detailed procedure to find GCD of 813, 401, 390?

You can find a detailed procedure to find GCD of 813, 401, 390 on our page.

How to find GCD of 813, 401, 390 on a calculator?

You can find the GCD of 813, 401, 390 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.

GCD of 813, 401, 390 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, 401, 390 quickly. Get the easiest ways to solve the greatest common divisor of 813, 401, 390 i.e 1 in different methods as follows.

How to Find GCD of Numbers 813, 401, 390 with Factoring?

Given Input numbers are 813, 401, 390

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 401 :

The positive integer divisors of 401 that completely divides 401 are.

1, 401

Divisors of 390 :

The positive integer divisors of 390 that completely divides 390 are.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

GCD of numbers is the greatest common divisor

So, the GCD (813, 401, 390) = 1.

Find GCD of 813, 401, 390 using Prime Factorization

Given numbers are 813, 401, 390

The list of prime factors of all numbers are

Prime factors of 813 are 3 x 271

Prime factors of 401 are 401

Prime factors of 390 are 2 x 3 x 5 x 13

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

Steps to Calculate GCD of 813, 401, 390 using LCM Formula

Given numbers are 813, 401, 390

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

Apply this formula for all numbers.

Step1:

LCM(813, 401) = 326013

GCD(813, 401) = ( 813 x 401 ) / 326013

= 813 / 401

= 813

Step2:

LCM(1, 390) = 390

GCD(1, 390) = ( 1 x 390 ) / 390

= 1 / 390

= 1

So, Greatest Common Divisor of 813, 401, 390 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 813, 401, 390

Given numbers are 813, 401, 390
The greatest common divisor of numbers 813, 401, 390 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 813, 401, 390 is 1.

FAQs on GCD of 813, 401, 390 Calculator

1. What is the GCD of 813, 401, 390?

GCD of given numbers 813, 401, 390 is 1

2. How to calculate the greatest common divisor of 813, 401, 390?

We can find the highest common divisor of 813, 401, 390 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, 401, 390 i.e 1.

3. How can I use the GCD of 813, 401, 390Calculator?

Out the numbers 813, 401, 390 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.