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GCD of 693, 738, 821 Calculator

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


Online GCD Calculator is useful to find the GCD of 693, 738, 821 quickly. Get the easiest ways to solve the greatest common divisor of 693, 738, 821 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 693, 738, 821 with Factoring?

Given Input numbers are 693, 738, 821

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

Divisors of 693 :

The positive integer divisors of 693 that completely divides 693 are.

1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693

Divisors of 738 :

The positive integer divisors of 738 that completely divides 738 are.

1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738

Divisors of 821 :

The positive integer divisors of 821 that completely divides 821 are.

1, 821


GCD of numbers is the greatest common divisor

So, the GCD (693, 738, 821) = 1.

Find GCD of 693, 738, 821 using Prime Factorization

Given numbers are 693, 738, 821

The list of prime factors of all numbers are

Prime factors of 693 are 3 x 3 x 7 x 11

Prime factors of 738 are 2 x 3 x 3 x 41

Prime factors of 821 are 821

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

Steps to Calculate GCD of 693, 738, 821 using LCM Formula

Given numbers are 693, 738, 821

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

Apply this formula for all numbers.

Step1:

LCM(693, 738) = 56826

GCD(693, 738) = ( 693 x 738 ) / 56826

= 693 / 738

= 693


Step2:

LCM(9, 821) = 7389

GCD(9, 821) = ( 9 x 821 ) / 7389

= 9 / 821

= 9


So, Greatest Common Divisor of 693, 738, 821 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 693, 738, 821

Given numbers are 693, 738, 821
The greatest common divisor of numbers 693, 738, 821 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 693, 738, 821 is 1.

FAQs on GCD of 693, 738, 821 Calculator

1. What is the GCD of 693, 738, 821?

GCD of given numbers 693, 738, 821 is 1


2. How to calculate the greatest common divisor of 693, 738, 821?

We can find the highest common divisor of 693, 738, 821 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 693, 738, 821 i.e 1.


3. How can I use the GCD of 693, 738, 821Calculator?

Out the numbers 693, 738, 821 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.