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GCD of 663, 171, 921 Calculator

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


Online GCD Calculator is useful to find the GCD of 663, 171, 921 quickly. Get the easiest ways to solve the greatest common divisor of 663, 171, 921 i.e 3 in different methods as follows.

GCD of

How to Find GCD of Numbers 663, 171, 921 with Factoring?

Given Input numbers are 663, 171, 921

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

Divisors of 663 :

The positive integer divisors of 663 that completely divides 663 are.

1, 3, 13, 17, 39, 51, 221, 663

Divisors of 171 :

The positive integer divisors of 171 that completely divides 171 are.

1, 3, 9, 19, 57, 171

Divisors of 921 :

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

1, 3, 307, 921


GCD of numbers is the greatest common divisor

So, the GCD (663, 171, 921) = 3.

Find GCD of 663, 171, 921 using Prime Factorization

Given numbers are 663, 171, 921

The list of prime factors of all numbers are

Prime factors of 663 are 3 x 13 x 17

Prime factors of 171 are 3 x 3 x 19

Prime factors of 921 are 3 x 307

The highest common occurrence is 31

Therefore, GCD of 663, 171, 921 is 3.

Steps to Calculate GCD of 663, 171, 921 using LCM Formula

Given numbers are 663, 171, 921

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

Apply this formula for all numbers.

Step1:

LCM(663, 171) = 37791

GCD(663, 171) = ( 663 x 171 ) / 37791

= 663 / 171

= 663


Step2:

LCM(3, 921) = 921

GCD(3, 921) = ( 3 x 921 ) / 921

= 3 / 921

= 3


So, Greatest Common Divisor of 663, 171, 921 is 3

GCD of Numbers Calculation Examples

Greatest Common Divisor of 663, 171, 921

Given numbers are 663, 171, 921
The greatest common divisor of numbers 663, 171, 921 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 663, 171, 921 is 3.

FAQs on GCD of 663, 171, 921 Calculator

1. What is the GCD of 663, 171, 921?

GCD of given numbers 663, 171, 921 is 3


2. How to calculate the greatest common divisor of 663, 171, 921?

We can find the highest common divisor of 663, 171, 921 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 663, 171, 921 i.e 3.


3. How can I use the GCD of 663, 171, 921Calculator?

Out the numbers 663, 171, 921 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.