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GCD of 813, 432, 649 Calculator

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


Online GCD Calculator is useful to find the GCD of 813, 432, 649 quickly. Get the easiest ways to solve the greatest common divisor of 813, 432, 649 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 813, 432, 649 with Factoring?

Given Input numbers are 813, 432, 649

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

Divisors of 813 :

The positive integer divisors of 813 that completely divides 813 are.

1, 3, 271, 813

Divisors of 432 :

The positive integer divisors of 432 that completely divides 432 are.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432

Divisors of 649 :

The positive integer divisors of 649 that completely divides 649 are.

1, 11, 59, 649


GCD of numbers is the greatest common divisor

So, the GCD (813, 432, 649) = 1.

Find GCD of 813, 432, 649 using Prime Factorization

Given numbers are 813, 432, 649

The list of prime factors of all numbers are

Prime factors of 813 are 3 x 271

Prime factors of 432 are 2 x 2 x 2 x 2 x 3 x 3 x 3

Prime factors of 649 are 11 x 59

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

Steps to Calculate GCD of 813, 432, 649 using LCM Formula

Given numbers are 813, 432, 649

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

Apply this formula for all numbers.

Step1:

LCM(813, 432) = 117072

GCD(813, 432) = ( 813 x 432 ) / 117072

= 813 / 432

= 813


Step2:

LCM(3, 649) = 1947

GCD(3, 649) = ( 3 x 649 ) / 1947

= 3 / 649

= 3


So, Greatest Common Divisor of 813, 432, 649 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 813, 432, 649

Given numbers are 813, 432, 649
The greatest common divisor of numbers 813, 432, 649 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 813, 432, 649 is 1.

FAQs on GCD of 813, 432, 649 Calculator

1. What is the GCD of 813, 432, 649?

GCD of given numbers 813, 432, 649 is 1


2. How to calculate the greatest common divisor of 813, 432, 649?

We can find the highest common divisor of 813, 432, 649 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 813, 432, 649 i.e 1.


3. How can I use the GCD of 813, 432, 649Calculator?

Out the numbers 813, 432, 649 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.