Where do I get the detailed procedure to find GCD of 638, 551, 687?

You can find a detailed procedure to find GCD of 638, 551, 687 on our page.

How to find GCD of 638, 551, 687 on a calculator?

You can find the GCD of 638, 551, 687 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 638, 551, 687 Calculator

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

Online GCD Calculator is useful to find the GCD of 638, 551, 687 quickly. Get the easiest ways to solve the greatest common divisor of 638, 551, 687 i.e 1 in different methods as follows.

How to Find GCD of Numbers 638, 551, 687 with Factoring?

Given Input numbers are 638, 551, 687

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

Divisors of 638 :

The positive integer divisors of 638 that completely divides 638 are.

1, 2, 11, 22, 29, 58, 319, 638

Divisors of 551 :

The positive integer divisors of 551 that completely divides 551 are.

1, 19, 29, 551

Divisors of 687 :

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

1, 3, 229, 687

GCD of numbers is the greatest common divisor

So, the GCD (638, 551, 687) = 1.

Find GCD of 638, 551, 687 using Prime Factorization

Given numbers are 638, 551, 687

The list of prime factors of all numbers are

Prime factors of 638 are 2 x 11 x 29

Prime factors of 551 are 19 x 29

Prime factors of 687 are 3 x 229

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

Steps to Calculate GCD of 638, 551, 687 using LCM Formula

Given numbers are 638, 551, 687

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

Apply this formula for all numbers.

Step1:

LCM(638, 551) = 12122

GCD(638, 551) = ( 638 x 551 ) / 12122

= 638 / 551

= 638

Step2:

LCM(29, 687) = 19923

GCD(29, 687) = ( 29 x 687 ) / 19923

= 29 / 687

= 29

So, Greatest Common Divisor of 638, 551, 687 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 638, 551, 687

Given numbers are 638, 551, 687
The greatest common divisor of numbers 638, 551, 687 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 638, 551, 687 is 1.

FAQs on GCD of 638, 551, 687 Calculator

1. What is the GCD of 638, 551, 687?

GCD of given numbers 638, 551, 687 is 1

2. How to calculate the greatest common divisor of 638, 551, 687?

We can find the highest common divisor of 638, 551, 687 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 638, 551, 687 i.e 1.

3. How can I use the GCD of 638, 551, 687Calculator?

Out the numbers 638, 551, 687 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.