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GCD of 489, 921, 168 Calculator

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


Online GCD Calculator is useful to find the GCD of 489, 921, 168 quickly. Get the easiest ways to solve the greatest common divisor of 489, 921, 168 i.e 3 in different methods as follows.

GCD of

How to Find GCD of Numbers 489, 921, 168 with Factoring?

Given Input numbers are 489, 921, 168

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

Divisors of 489 :

The positive integer divisors of 489 that completely divides 489 are.

1, 3, 163, 489

Divisors of 921 :

The positive integer divisors of 921 that completely divides 921 are.

1, 3, 307, 921

Divisors of 168 :

The positive integer divisors of 168 that completely divides 168 are.

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168


GCD of numbers is the greatest common divisor

So, the GCD (489, 921, 168) = 3.

Find GCD of 489, 921, 168 using Prime Factorization

Given numbers are 489, 921, 168

The list of prime factors of all numbers are

Prime factors of 489 are 3 x 163

Prime factors of 921 are 3 x 307

Prime factors of 168 are 2 x 2 x 2 x 3 x 7

The highest common occurrence is 31

Therefore, GCD of 489, 921, 168 is 3.

Steps to Calculate GCD of 489, 921, 168 using LCM Formula

Given numbers are 489, 921, 168

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

Apply this formula for all numbers.

Step1:

LCM(489, 921) = 150123

GCD(489, 921) = ( 489 x 921 ) / 150123

= 489 / 921

= 489


Step2:

LCM(3, 168) = 168

GCD(3, 168) = ( 3 x 168 ) / 168

= 3 / 168

= 3


So, Greatest Common Divisor of 489, 921, 168 is 3

GCD of Numbers Calculation Examples

Greatest Common Divisor of 489, 921, 168

Given numbers are 489, 921, 168
The greatest common divisor of numbers 489, 921, 168 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 489, 921, 168 is 3.

FAQs on GCD of 489, 921, 168 Calculator

1. What is the GCD of 489, 921, 168?

GCD of given numbers 489, 921, 168 is 3


2. How to calculate the greatest common divisor of 489, 921, 168?

We can find the highest common divisor of 489, 921, 168 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 489, 921, 168 i.e 3.


3. How can I use the GCD of 489, 921, 168Calculator?

Out the numbers 489, 921, 168 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.