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GCD of 891, 243, 985, 321 Calculator

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


Online GCD Calculator is useful to find the GCD of 891, 243, 985, 321 quickly. Get the easiest ways to solve the greatest common divisor of 891, 243, 985, 321 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 891, 243, 985, 321 with Factoring?

Given Input numbers are 891, 243, 985, 321

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

Divisors of 891 :

The positive integer divisors of 891 that completely divides 891 are.

1, 3, 9, 11, 27, 33, 81, 99, 297, 891

Divisors of 243 :

The positive integer divisors of 243 that completely divides 243 are.

1, 3, 9, 27, 81, 243

Divisors of 985 :

The positive integer divisors of 985 that completely divides 985 are.

1, 5, 197, 985

Divisors of 321 :

The positive integer divisors of 321 that completely divides 321 are.

1, 3, 107, 321


GCD of numbers is the greatest common divisor

So, the GCD (891, 243, 985, 321) = 1.

Find GCD of 891, 243, 985, 321 using Prime Factorization

Given numbers are 891, 243, 985, 321

The list of prime factors of all numbers are

Prime factors of 891 are 3 x 3 x 3 x 3 x 11

Prime factors of 243 are 3 x 3 x 3 x 3 x 3

Prime factors of 985 are 5 x 197

Prime factors of 321 are 3 x 107

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

Steps to Calculate GCD of 891, 243, 985, 321 using LCM Formula

Given numbers are 891, 243, 985, 321

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

Apply this formula for all numbers.

Step1:

LCM(891, 243) = 2673

GCD(891, 243) = ( 891 x 243 ) / 2673

= 891 / 243

= 891


Step2:

LCM(81, 985) = 79785

GCD(81, 985) = ( 81 x 985 ) / 79785

= 81 / 985

= 81


Step3:

LCM(1, 321) = 321

GCD(1, 321) = ( 1 x 321 ) / 321

= 1 / 321

= 1


So, Greatest Common Divisor of 891, 243, 985, 321 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 891, 243, 985, 321

Given numbers are 891, 243, 985, 321
The greatest common divisor of numbers 891, 243, 985, 321 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 891, 243, 985, 321 is 1.

FAQs on GCD of 891, 243, 985, 321 Calculator

1. What is the GCD of 891, 243, 985, 321?

GCD of given numbers 891, 243, 985, 321 is 1


2. How to calculate the greatest common divisor of 891, 243, 985, 321?

We can find the highest common divisor of 891, 243, 985, 321 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 891, 243, 985, 321 i.e 1.


3. How can I use the GCD of 891, 243, 985, 321Calculator?

Out the numbers 891, 243, 985, 321 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.