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GCD of 664, 921, 990 Calculator

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


Online GCD Calculator is useful to find the GCD of 664, 921, 990 quickly. Get the easiest ways to solve the greatest common divisor of 664, 921, 990 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 664, 921, 990 with Factoring?

Given Input numbers are 664, 921, 990

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

Divisors of 664 :

The positive integer divisors of 664 that completely divides 664 are.

1, 2, 4, 8, 83, 166, 332, 664

Divisors of 921 :

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

1, 3, 307, 921

Divisors of 990 :

The positive integer divisors of 990 that completely divides 990 are.

1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990


GCD of numbers is the greatest common divisor

So, the GCD (664, 921, 990) = 1.

Find GCD of 664, 921, 990 using Prime Factorization

Given numbers are 664, 921, 990

The list of prime factors of all numbers are

Prime factors of 664 are 2 x 2 x 2 x 83

Prime factors of 921 are 3 x 307

Prime factors of 990 are 2 x 3 x 3 x 5 x 11

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

Steps to Calculate GCD of 664, 921, 990 using LCM Formula

Given numbers are 664, 921, 990

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

Apply this formula for all numbers.

Step1:

LCM(664, 921) = 611544

GCD(664, 921) = ( 664 x 921 ) / 611544

= 664 / 921

= 664


Step2:

LCM(1, 990) = 990

GCD(1, 990) = ( 1 x 990 ) / 990

= 1 / 990

= 1


So, Greatest Common Divisor of 664, 921, 990 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 664, 921, 990

Given numbers are 664, 921, 990
The greatest common divisor of numbers 664, 921, 990 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 664, 921, 990 is 1.

FAQs on GCD of 664, 921, 990 Calculator

1. What is the GCD of 664, 921, 990?

GCD of given numbers 664, 921, 990 is 1


2. How to calculate the greatest common divisor of 664, 921, 990?

We can find the highest common divisor of 664, 921, 990 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 664, 921, 990 i.e 1.


3. How can I use the GCD of 664, 921, 990Calculator?

Out the numbers 664, 921, 990 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.