Where do I get the detailed procedure to find GCD of 289, 477, 391?

You can find a detailed procedure to find GCD of 289, 477, 391 on our page.

How to find GCD of 289, 477, 391 on a calculator?

You can find the GCD of 289, 477, 391 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 289, 477, 391 Calculator

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

Online GCD Calculator is useful to find the GCD of 289, 477, 391 quickly. Get the easiest ways to solve the greatest common divisor of 289, 477, 391 i.e 1 in different methods as follows.

How to Find GCD of Numbers 289, 477, 391 with Factoring?

Given Input numbers are 289, 477, 391

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

Divisors of 289 :

The positive integer divisors of 289 that completely divides 289 are.

1, 17, 289

Divisors of 477 :

The positive integer divisors of 477 that completely divides 477 are.

1, 3, 9, 53, 159, 477

Divisors of 391 :

The positive integer divisors of 391 that completely divides 391 are.

1, 17, 23, 391

GCD of numbers is the greatest common divisor

So, the GCD (289, 477, 391) = 1.

Find GCD of 289, 477, 391 using Prime Factorization

Given numbers are 289, 477, 391

The list of prime factors of all numbers are

Prime factors of 289 are 17 x 17

Prime factors of 477 are 3 x 3 x 53

Prime factors of 391 are 17 x 23

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

Steps to Calculate GCD of 289, 477, 391 using LCM Formula

Given numbers are 289, 477, 391

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

Apply this formula for all numbers.

Step1:

LCM(289, 477) = 137853

GCD(289, 477) = ( 289 x 477 ) / 137853

= 289 / 477

= 289

Step2:

LCM(1, 391) = 391

GCD(1, 391) = ( 1 x 391 ) / 391

= 1 / 391

= 1

So, Greatest Common Divisor of 289, 477, 391 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 289, 477, 391

Given numbers are 289, 477, 391
The greatest common divisor of numbers 289, 477, 391 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 289, 477, 391 is 1.

FAQs on GCD of 289, 477, 391 Calculator

1. What is the GCD of 289, 477, 391?

GCD of given numbers 289, 477, 391 is 1

2. How to calculate the greatest common divisor of 289, 477, 391?

We can find the highest common divisor of 289, 477, 391 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 289, 477, 391 i.e 1.

3. How can I use the GCD of 289, 477, 391Calculator?

Out the numbers 289, 477, 391 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.