Where do I get the detailed procedure to find GCD of 221, 481, 390?

You can find a detailed procedure to find GCD of 221, 481, 390 on our page.

How to find GCD of 221, 481, 390 on a calculator?

You can find the GCD of 221, 481, 390 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 221, 481, 390 Calculator

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

Online GCD Calculator is useful to find the GCD of 221, 481, 390 quickly. Get the easiest ways to solve the greatest common divisor of 221, 481, 390 i.e 13 in different methods as follows.

How to Find GCD of Numbers 221, 481, 390 with Factoring?

Given Input numbers are 221, 481, 390

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

Divisors of 221 :

The positive integer divisors of 221 that completely divides 221 are.

1, 13, 17, 221

Divisors of 481 :

The positive integer divisors of 481 that completely divides 481 are.

1, 13, 37, 481

Divisors of 390 :

The positive integer divisors of 390 that completely divides 390 are.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

GCD of numbers is the greatest common divisor

So, the GCD (221, 481, 390) = 13.

Find GCD of 221, 481, 390 using Prime Factorization

Given numbers are 221, 481, 390

The list of prime factors of all numbers are

Prime factors of 221 are 13 x 17

Prime factors of 481 are 13 x 37

Prime factors of 390 are 2 x 3 x 5 x 13

The highest common occurrence is 13¹

Therefore, GCD of 221, 481, 390 is 13.

Steps to Calculate GCD of 221, 481, 390 using LCM Formula

Given numbers are 221, 481, 390

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

Apply this formula for all numbers.

Step1:

LCM(221, 481) = 8177

GCD(221, 481) = ( 221 x 481 ) / 8177

= 221 / 481

= 221

Step2:

LCM(13, 390) = 390

GCD(13, 390) = ( 13 x 390 ) / 390

= 13 / 390

= 13

So, Greatest Common Divisor of 221, 481, 390 is 13

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 221, 481, 390

Given numbers are 221, 481, 390
The greatest common divisor of numbers 221, 481, 390 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 221, 481, 390 is 13.

FAQs on GCD of 221, 481, 390 Calculator

1. What is the GCD of 221, 481, 390?

GCD of given numbers 221, 481, 390 is 13

2. How to calculate the greatest common divisor of 221, 481, 390?

We can find the highest common divisor of 221, 481, 390 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 221, 481, 390 i.e 13.

3. How can I use the GCD of 221, 481, 390Calculator?

Out the numbers 221, 481, 390 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.