Where do I get the detailed procedure to find GCD of 680, 647, 789?

You can find a detailed procedure to find GCD of 680, 647, 789 on our page.

How to find GCD of 680, 647, 789 on a calculator?

You can find the GCD of 680, 647, 789 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 680, 647, 789 Calculator

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

Online GCD Calculator is useful to find the GCD of 680, 647, 789 quickly. Get the easiest ways to solve the greatest common divisor of 680, 647, 789 i.e 1 in different methods as follows.

How to Find GCD of Numbers 680, 647, 789 with Factoring?

Given Input numbers are 680, 647, 789

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

Divisors of 680 :

The positive integer divisors of 680 that completely divides 680 are.

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680

Divisors of 647 :

The positive integer divisors of 647 that completely divides 647 are.

1, 647

Divisors of 789 :

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

1, 3, 263, 789

GCD of numbers is the greatest common divisor

So, the GCD (680, 647, 789) = 1.

Find GCD of 680, 647, 789 using Prime Factorization

Given numbers are 680, 647, 789

The list of prime factors of all numbers are

Prime factors of 680 are 2 x 2 x 2 x 5 x 17

Prime factors of 647 are 647

Prime factors of 789 are 3 x 263

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

Steps to Calculate GCD of 680, 647, 789 using LCM Formula

Given numbers are 680, 647, 789

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

Apply this formula for all numbers.

Step1:

LCM(680, 647) = 439960

GCD(680, 647) = ( 680 x 647 ) / 439960

= 680 / 647

= 680

Step2:

LCM(1, 789) = 789

GCD(1, 789) = ( 1 x 789 ) / 789

= 1 / 789

= 1

So, Greatest Common Divisor of 680, 647, 789 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 680, 647, 789

Given numbers are 680, 647, 789
The greatest common divisor of numbers 680, 647, 789 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 680, 647, 789 is 1.

FAQs on GCD of 680, 647, 789 Calculator

1. What is the GCD of 680, 647, 789?

GCD of given numbers 680, 647, 789 is 1

2. How to calculate the greatest common divisor of 680, 647, 789?

We can find the highest common divisor of 680, 647, 789 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 680, 647, 789 i.e 1.

3. How can I use the GCD of 680, 647, 789Calculator?

Out the numbers 680, 647, 789 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.