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GCD of 687, 905, 480 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, 905, 480 quickly. Get the easiest ways to solve the greatest common divisor of 687, 905, 480 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 687, 905, 480 with Factoring?

Given Input numbers are 687, 905, 480

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 905 :

The positive integer divisors of 905 that completely divides 905 are.

1, 5, 181, 905

Divisors of 480 :

The positive integer divisors of 480 that completely divides 480 are.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480


GCD of numbers is the greatest common divisor

So, the GCD (687, 905, 480) = 1.

Find GCD of 687, 905, 480 using Prime Factorization

Given numbers are 687, 905, 480

The list of prime factors of all numbers are

Prime factors of 687 are 3 x 229

Prime factors of 905 are 5 x 181

Prime factors of 480 are 2 x 2 x 2 x 2 x 2 x 3 x 5

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

Steps to Calculate GCD of 687, 905, 480 using LCM Formula

Given numbers are 687, 905, 480

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

Apply this formula for all numbers.

Step1:

LCM(687, 905) = 621735

GCD(687, 905) = ( 687 x 905 ) / 621735

= 687 / 905

= 687


Step2:

LCM(1, 480) = 480

GCD(1, 480) = ( 1 x 480 ) / 480

= 1 / 480

= 1


So, Greatest Common Divisor of 687, 905, 480 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 687, 905, 480

Given numbers are 687, 905, 480
The greatest common divisor of numbers 687, 905, 480 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 905, 480 is 1.

FAQs on GCD of 687, 905, 480 Calculator

1. What is the GCD of 687, 905, 480?

GCD of given numbers 687, 905, 480 is 1


2. How to calculate the greatest common divisor of 687, 905, 480?

We can find the highest common divisor of 687, 905, 480 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, 905, 480 i.e 1.


3. How can I use the GCD of 687, 905, 480Calculator?

Out the numbers 687, 905, 480 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.