Where do I get the detailed procedure to find GCD of 189, 387, 315?

You can find a detailed procedure to find GCD of 189, 387, 315 on our page.

How to find GCD of 189, 387, 315 on a calculator?

You can find the GCD of 189, 387, 315 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 189, 387, 315 Calculator

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

Online GCD Calculator is useful to find the GCD of 189, 387, 315 quickly. Get the easiest ways to solve the greatest common divisor of 189, 387, 315 i.e 9 in different methods as follows.

How to Find GCD of Numbers 189, 387, 315 with Factoring?

Given Input numbers are 189, 387, 315

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

Divisors of 189 :

The positive integer divisors of 189 that completely divides 189 are.

1, 3, 7, 9, 21, 27, 63, 189

Divisors of 387 :

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

1, 3, 9, 43, 129, 387

Divisors of 315 :

The positive integer divisors of 315 that completely divides 315 are.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315

GCD of numbers is the greatest common divisor

So, the GCD (189, 387, 315) = 9.

Find GCD of 189, 387, 315 using Prime Factorization

Given numbers are 189, 387, 315

The list of prime factors of all numbers are

Prime factors of 189 are 3 x 3 x 3 x 7

Prime factors of 387 are 3 x 3 x 43

Prime factors of 315 are 3 x 3 x 5 x 7

The highest common occurrence is 3²

Therefore, GCD of 189, 387, 315 is 9.

Steps to Calculate GCD of 189, 387, 315 using LCM Formula

Given numbers are 189, 387, 315

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

Apply this formula for all numbers.

Step1:

LCM(189, 387) = 8127

GCD(189, 387) = ( 189 x 387 ) / 8127

= 189 / 387

= 189

Step2:

LCM(9, 315) = 315

GCD(9, 315) = ( 9 x 315 ) / 315

= 9 / 315

= 9

So, Greatest Common Divisor of 189, 387, 315 is 9

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 189, 387, 315

Given numbers are 189, 387, 315
The greatest common divisor of numbers 189, 387, 315 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 189, 387, 315 is 9.

FAQs on GCD of 189, 387, 315 Calculator

1. What is the GCD of 189, 387, 315?

GCD of given numbers 189, 387, 315 is 9

2. How to calculate the greatest common divisor of 189, 387, 315?

We can find the highest common divisor of 189, 387, 315 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 189, 387, 315 i.e 9.

3. How can I use the GCD of 189, 387, 315Calculator?

Out the numbers 189, 387, 315 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.