Where do I get the detailed procedure to find GCD of 687, 731, 665?

You can find a detailed procedure to find GCD of 687, 731, 665 on our page.

How to find GCD of 687, 731, 665 on a calculator?

You can find the GCD of 687, 731, 665 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 687, 731, 665 Calculator

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

Online GCD Calculator is useful to find the GCD of 687, 731, 665 quickly. Get the easiest ways to solve the greatest common divisor of 687, 731, 665 i.e 1 in different methods as follows.

How to Find GCD of Numbers 687, 731, 665 with Factoring?

Given Input numbers are 687, 731, 665

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

Divisors of 687 :

The positive integer divisors of 687 that completely divides 687 are.

1, 3, 229, 687

Divisors of 731 :

The positive integer divisors of 731 that completely divides 731 are.

1, 17, 43, 731

Divisors of 665 :

The positive integer divisors of 665 that completely divides 665 are.

1, 5, 7, 19, 35, 95, 133, 665

GCD of numbers is the greatest common divisor

So, the GCD (687, 731, 665) = 1.

Find GCD of 687, 731, 665 using Prime Factorization

Given numbers are 687, 731, 665

The list of prime factors of all numbers are

Prime factors of 687 are 3 x 229

Prime factors of 731 are 17 x 43

Prime factors of 665 are 5 x 7 x 19

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

Steps to Calculate GCD of 687, 731, 665 using LCM Formula

Given numbers are 687, 731, 665

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

Apply this formula for all numbers.

Step1:

LCM(687, 731) = 502197

GCD(687, 731) = ( 687 x 731 ) / 502197

= 687 / 731

= 687

Step2:

LCM(1, 665) = 665

GCD(1, 665) = ( 1 x 665 ) / 665

= 1 / 665

= 1

So, Greatest Common Divisor of 687, 731, 665 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 687, 731, 665

Given numbers are 687, 731, 665
The greatest common divisor of numbers 687, 731, 665 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 731, 665 is 1.

FAQs on GCD of 687, 731, 665 Calculator

1. What is the GCD of 687, 731, 665?

GCD of given numbers 687, 731, 665 is 1

2. How to calculate the greatest common divisor of 687, 731, 665?

We can find the highest common divisor of 687, 731, 665 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 687, 731, 665 i.e 1.

3. How can I use the GCD of 687, 731, 665Calculator?

Out the numbers 687, 731, 665 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.