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GCD of 687, 473, 42 Calculator

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


Online GCD Calculator is useful to find the GCD of 687, 473, 42 quickly. Get the easiest ways to solve the greatest common divisor of 687, 473, 42 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 687, 473, 42 with Factoring?

Given Input numbers are 687, 473, 42

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

Divisors of 687 :

The positive integer divisors of 687 that completely divides 687 are.

1, 3, 229, 687

Divisors of 473 :

The positive integer divisors of 473 that completely divides 473 are.

1, 11, 43, 473

Divisors of 42 :

The positive integer divisors of 42 that completely divides 42 are.

1, 2, 3, 6, 7, 14, 21, 42


GCD of numbers is the greatest common divisor

So, the GCD (687, 473, 42) = 1.

Find GCD of 687, 473, 42 using Prime Factorization

Given numbers are 687, 473, 42

The list of prime factors of all numbers are

Prime factors of 687 are 3 x 229

Prime factors of 473 are 11 x 43

Prime factors of 42 are 2 x 3 x 7

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

Steps to Calculate GCD of 687, 473, 42 using LCM Formula

Given numbers are 687, 473, 42

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

Apply this formula for all numbers.

Step1:

LCM(687, 473) = 324951

GCD(687, 473) = ( 687 x 473 ) / 324951

= 687 / 473

= 687


Step2:

LCM(1, 42) = 42

GCD(1, 42) = ( 1 x 42 ) / 42

= 1 / 42

= 1


So, Greatest Common Divisor of 687, 473, 42 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 687, 473, 42

Given numbers are 687, 473, 42
The greatest common divisor of numbers 687, 473, 42 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 473, 42 is 1.

FAQs on GCD of 687, 473, 42 Calculator

1. What is the GCD of 687, 473, 42?

GCD of given numbers 687, 473, 42 is 1


2. How to calculate the greatest common divisor of 687, 473, 42?

We can find the highest common divisor of 687, 473, 42 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 687, 473, 42 i.e 1.


3. How can I use the GCD of 687, 473, 42Calculator?

Out the numbers 687, 473, 42 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.