Where do I get the detailed procedure to find GCD of 689, 978, 791?

You can find a detailed procedure to find GCD of 689, 978, 791 on our page.

How to find GCD of 689, 978, 791 on a calculator?

You can find the GCD of 689, 978, 791 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 689, 978, 791 Calculator

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

Online GCD Calculator is useful to find the GCD of 689, 978, 791 quickly. Get the easiest ways to solve the greatest common divisor of 689, 978, 791 i.e 1 in different methods as follows.

How to Find GCD of Numbers 689, 978, 791 with Factoring?

Given Input numbers are 689, 978, 791

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

Divisors of 689 :

The positive integer divisors of 689 that completely divides 689 are.

1, 13, 53, 689

Divisors of 978 :

The positive integer divisors of 978 that completely divides 978 are.

1, 2, 3, 6, 163, 326, 489, 978

Divisors of 791 :

The positive integer divisors of 791 that completely divides 791 are.

1, 7, 113, 791

GCD of numbers is the greatest common divisor

So, the GCD (689, 978, 791) = 1.

Find GCD of 689, 978, 791 using Prime Factorization

Given numbers are 689, 978, 791

The list of prime factors of all numbers are

Prime factors of 689 are 13 x 53

Prime factors of 978 are 2 x 3 x 163

Prime factors of 791 are 7 x 113

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

Steps to Calculate GCD of 689, 978, 791 using LCM Formula

Given numbers are 689, 978, 791

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

Apply this formula for all numbers.

Step1:

LCM(689, 978) = 673842

GCD(689, 978) = ( 689 x 978 ) / 673842

= 689 / 978

= 689

Step2:

LCM(1, 791) = 791

GCD(1, 791) = ( 1 x 791 ) / 791

= 1 / 791

= 1

So, Greatest Common Divisor of 689, 978, 791 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 689, 978, 791

Given numbers are 689, 978, 791
The greatest common divisor of numbers 689, 978, 791 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 689, 978, 791 is 1.

FAQs on GCD of 689, 978, 791 Calculator

1. What is the GCD of 689, 978, 791?

GCD of given numbers 689, 978, 791 is 1

2. How to calculate the greatest common divisor of 689, 978, 791?

We can find the highest common divisor of 689, 978, 791 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 689, 978, 791 i.e 1.

3. How can I use the GCD of 689, 978, 791Calculator?

Out the numbers 689, 978, 791 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.