Where do I get the detailed procedure to find GCD of 189, 690, 255?

You can find a detailed procedure to find GCD of 189, 690, 255 on our page.

How to find GCD of 189, 690, 255 on a calculator?

You can find the GCD of 189, 690, 255 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, 690, 255 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, 690, 255 quickly. Get the easiest ways to solve the greatest common divisor of 189, 690, 255 i.e 3 in different methods as follows.

How to Find GCD of Numbers 189, 690, 255 with Factoring?

Given Input numbers are 189, 690, 255

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 690 :

The positive integer divisors of 690 that completely divides 690 are.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690

Divisors of 255 :

The positive integer divisors of 255 that completely divides 255 are.

1, 3, 5, 15, 17, 51, 85, 255

GCD of numbers is the greatest common divisor

So, the GCD (189, 690, 255) = 3.

Find GCD of 189, 690, 255 using Prime Factorization

Given numbers are 189, 690, 255

The list of prime factors of all numbers are

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

Prime factors of 690 are 2 x 3 x 5 x 23

Prime factors of 255 are 3 x 5 x 17

The highest common occurrence is 3¹

Therefore, GCD of 189, 690, 255 is 3.

Steps to Calculate GCD of 189, 690, 255 using LCM Formula

Given numbers are 189, 690, 255

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

Apply this formula for all numbers.

Step1:

LCM(189, 690) = 43470

GCD(189, 690) = ( 189 x 690 ) / 43470

= 189 / 690

= 189

Step2:

LCM(3, 255) = 255

GCD(3, 255) = ( 3 x 255 ) / 255

= 3 / 255

= 3

So, Greatest Common Divisor of 189, 690, 255 is 3

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 189, 690, 255

Given numbers are 189, 690, 255
The greatest common divisor of numbers 189, 690, 255 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 189, 690, 255 is 3.

FAQs on GCD of 189, 690, 255 Calculator

1. What is the GCD of 189, 690, 255?

GCD of given numbers 189, 690, 255 is 3

2. How to calculate the greatest common divisor of 189, 690, 255?

We can find the highest common divisor of 189, 690, 255 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, 690, 255 i.e 3.

3. How can I use the GCD of 189, 690, 255Calculator?

Out the numbers 189, 690, 255 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.