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GCD of 999, 390, 978 Calculator

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


Online GCD Calculator is useful to find the GCD of 999, 390, 978 quickly. Get the easiest ways to solve the greatest common divisor of 999, 390, 978 i.e 3 in different methods as follows.

GCD of

How to Find GCD of Numbers 999, 390, 978 with Factoring?

Given Input numbers are 999, 390, 978

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

Divisors of 999 :

The positive integer divisors of 999 that completely divides 999 are.

1, 3, 9, 27, 37, 111, 333, 999

Divisors of 390 :

The positive integer divisors of 390 that completely divides 390 are.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

Divisors of 978 :

The positive integer divisors of 978 that completely divides 978 are.

1, 2, 3, 6, 163, 326, 489, 978


GCD of numbers is the greatest common divisor

So, the GCD (999, 390, 978) = 3.

Find GCD of 999, 390, 978 using Prime Factorization

Given numbers are 999, 390, 978

The list of prime factors of all numbers are

Prime factors of 999 are 3 x 3 x 3 x 37

Prime factors of 390 are 2 x 3 x 5 x 13

Prime factors of 978 are 2 x 3 x 163

The highest common occurrence is 31

Therefore, GCD of 999, 390, 978 is 3.

Steps to Calculate GCD of 999, 390, 978 using LCM Formula

Given numbers are 999, 390, 978

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

Apply this formula for all numbers.

Step1:

LCM(999, 390) = 129870

GCD(999, 390) = ( 999 x 390 ) / 129870

= 999 / 390

= 999


Step2:

LCM(3, 978) = 978

GCD(3, 978) = ( 3 x 978 ) / 978

= 3 / 978

= 3


So, Greatest Common Divisor of 999, 390, 978 is 3

GCD of Numbers Calculation Examples

Greatest Common Divisor of 999, 390, 978

Given numbers are 999, 390, 978
The greatest common divisor of numbers 999, 390, 978 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 999, 390, 978 is 3.

FAQs on GCD of 999, 390, 978 Calculator

1. What is the GCD of 999, 390, 978?

GCD of given numbers 999, 390, 978 is 3


2. How to calculate the greatest common divisor of 999, 390, 978?

We can find the highest common divisor of 999, 390, 978 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 999, 390, 978 i.e 3.


3. How can I use the GCD of 999, 390, 978Calculator?

Out the numbers 999, 390, 978 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.