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GCD of 891, 921, 993 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, 921, 993 quickly. Get the easiest ways to solve the greatest common divisor of 891, 921, 993 i.e 3 in different methods as follows.

GCD of

How to Find GCD of Numbers 891, 921, 993 with Factoring?

Given Input numbers are 891, 921, 993

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 921 :

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

1, 3, 307, 921

Divisors of 993 :

The positive integer divisors of 993 that completely divides 993 are.

1, 3, 331, 993


GCD of numbers is the greatest common divisor

So, the GCD (891, 921, 993) = 3.

Find GCD of 891, 921, 993 using Prime Factorization

Given numbers are 891, 921, 993

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 921 are 3 x 307

Prime factors of 993 are 3 x 331

The highest common occurrence is 31

Therefore, GCD of 891, 921, 993 is 3.

Steps to Calculate GCD of 891, 921, 993 using LCM Formula

Given numbers are 891, 921, 993

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

Apply this formula for all numbers.

Step1:

LCM(891, 921) = 273537

GCD(891, 921) = ( 891 x 921 ) / 273537

= 891 / 921

= 891


Step2:

LCM(3, 993) = 993

GCD(3, 993) = ( 3 x 993 ) / 993

= 3 / 993

= 3


So, Greatest Common Divisor of 891, 921, 993 is 3

GCD of Numbers Calculation Examples

Greatest Common Divisor of 891, 921, 993

Given numbers are 891, 921, 993
The greatest common divisor of numbers 891, 921, 993 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 891, 921, 993 is 3.

FAQs on GCD of 891, 921, 993 Calculator

1. What is the GCD of 891, 921, 993?

GCD of given numbers 891, 921, 993 is 3


2. How to calculate the greatest common divisor of 891, 921, 993?

We can find the highest common divisor of 891, 921, 993 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, 921, 993 i.e 3.


3. How can I use the GCD of 891, 921, 993Calculator?

Out the numbers 891, 921, 993 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.