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GCD of 561, 731, 487 Calculator

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


Online GCD Calculator is useful to find the GCD of 561, 731, 487 quickly. Get the easiest ways to solve the greatest common divisor of 561, 731, 487 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 561, 731, 487 with Factoring?

Given Input numbers are 561, 731, 487

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

Divisors of 561 :

The positive integer divisors of 561 that completely divides 561 are.

1, 3, 11, 17, 33, 51, 187, 561

Divisors of 731 :

The positive integer divisors of 731 that completely divides 731 are.

1, 17, 43, 731

Divisors of 487 :

The positive integer divisors of 487 that completely divides 487 are.

1, 487


GCD of numbers is the greatest common divisor

So, the GCD (561, 731, 487) = 1.

Find GCD of 561, 731, 487 using Prime Factorization

Given numbers are 561, 731, 487

The list of prime factors of all numbers are

Prime factors of 561 are 3 x 11 x 17

Prime factors of 731 are 17 x 43

Prime factors of 487 are 487

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

Steps to Calculate GCD of 561, 731, 487 using LCM Formula

Given numbers are 561, 731, 487

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

Apply this formula for all numbers.

Step1:

LCM(561, 731) = 24123

GCD(561, 731) = ( 561 x 731 ) / 24123

= 561 / 731

= 561


Step2:

LCM(17, 487) = 8279

GCD(17, 487) = ( 17 x 487 ) / 8279

= 17 / 487

= 17


So, Greatest Common Divisor of 561, 731, 487 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 561, 731, 487

Given numbers are 561, 731, 487
The greatest common divisor of numbers 561, 731, 487 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 561, 731, 487 is 1.

FAQs on GCD of 561, 731, 487 Calculator

1. What is the GCD of 561, 731, 487?

GCD of given numbers 561, 731, 487 is 1


2. How to calculate the greatest common divisor of 561, 731, 487?

We can find the highest common divisor of 561, 731, 487 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 561, 731, 487 i.e 1.


3. How can I use the GCD of 561, 731, 487Calculator?

Out the numbers 561, 731, 487 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.