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GCD of 438, 162, 785 Calculator

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


Online GCD Calculator is useful to find the GCD of 438, 162, 785 quickly. Get the easiest ways to solve the greatest common divisor of 438, 162, 785 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 438, 162, 785 with Factoring?

Given Input numbers are 438, 162, 785

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

Divisors of 438 :

The positive integer divisors of 438 that completely divides 438 are.

1, 2, 3, 6, 73, 146, 219, 438

Divisors of 162 :

The positive integer divisors of 162 that completely divides 162 are.

1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Divisors of 785 :

The positive integer divisors of 785 that completely divides 785 are.

1, 5, 157, 785


GCD of numbers is the greatest common divisor

So, the GCD (438, 162, 785) = 1.

Find GCD of 438, 162, 785 using Prime Factorization

Given numbers are 438, 162, 785

The list of prime factors of all numbers are

Prime factors of 438 are 2 x 3 x 73

Prime factors of 162 are 2 x 3 x 3 x 3 x 3

Prime factors of 785 are 5 x 157

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

Steps to Calculate GCD of 438, 162, 785 using LCM Formula

Given numbers are 438, 162, 785

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

Apply this formula for all numbers.

Step1:

LCM(438, 162) = 11826

GCD(438, 162) = ( 438 x 162 ) / 11826

= 438 / 162

= 438


Step2:

LCM(6, 785) = 4710

GCD(6, 785) = ( 6 x 785 ) / 4710

= 6 / 785

= 6


So, Greatest Common Divisor of 438, 162, 785 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 438, 162, 785

Given numbers are 438, 162, 785
The greatest common divisor of numbers 438, 162, 785 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 438, 162, 785 is 1.

FAQs on GCD of 438, 162, 785 Calculator

1. What is the GCD of 438, 162, 785?

GCD of given numbers 438, 162, 785 is 1


2. How to calculate the greatest common divisor of 438, 162, 785?

We can find the highest common divisor of 438, 162, 785 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 438, 162, 785 i.e 1.


3. How can I use the GCD of 438, 162, 785Calculator?

Out the numbers 438, 162, 785 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.