Where do I get the detailed procedure to find GCD of 387, 645, 636?

You can find a detailed procedure to find GCD of 387, 645, 636 on our page.

How to find GCD of 387, 645, 636 on a calculator?

You can find the GCD of 387, 645, 636 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 387, 645, 636 Calculator

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

Online GCD Calculator is useful to find the GCD of 387, 645, 636 quickly. Get the easiest ways to solve the greatest common divisor of 387, 645, 636 i.e 3 in different methods as follows.

How to Find GCD of Numbers 387, 645, 636 with Factoring?

Given Input numbers are 387, 645, 636

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

Divisors of 387 :

The positive integer divisors of 387 that completely divides 387 are.

1, 3, 9, 43, 129, 387

Divisors of 645 :

The positive integer divisors of 645 that completely divides 645 are.

1, 3, 5, 15, 43, 129, 215, 645

Divisors of 636 :

The positive integer divisors of 636 that completely divides 636 are.

1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636

GCD of numbers is the greatest common divisor

So, the GCD (387, 645, 636) = 3.

Find GCD of 387, 645, 636 using Prime Factorization

Given numbers are 387, 645, 636

The list of prime factors of all numbers are

Prime factors of 387 are 3 x 3 x 43

Prime factors of 645 are 3 x 5 x 43

Prime factors of 636 are 2 x 2 x 3 x 53

The highest common occurrence is 3¹

Therefore, GCD of 387, 645, 636 is 3.

Steps to Calculate GCD of 387, 645, 636 using LCM Formula

Given numbers are 387, 645, 636

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

Apply this formula for all numbers.

Step1:

LCM(387, 645) = 1935

GCD(387, 645) = ( 387 x 645 ) / 1935

= 387 / 645

= 387

Step2:

LCM(129, 636) = 27348

GCD(129, 636) = ( 129 x 636 ) / 27348

= 129 / 636

= 129

So, Greatest Common Divisor of 387, 645, 636 is 3

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 387, 645, 636

Given numbers are 387, 645, 636
The greatest common divisor of numbers 387, 645, 636 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 387, 645, 636 is 3.

FAQs on GCD of 387, 645, 636 Calculator

1. What is the GCD of 387, 645, 636?

GCD of given numbers 387, 645, 636 is 3

2. How to calculate the greatest common divisor of 387, 645, 636?

We can find the highest common divisor of 387, 645, 636 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 387, 645, 636 i.e 3.

3. How can I use the GCD of 387, 645, 636Calculator?

Out the numbers 387, 645, 636 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.