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GCD of 617, 636, 42, 855 Calculator

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


Online GCD Calculator is useful to find the GCD of 617, 636, 42, 855 quickly. Get the easiest ways to solve the greatest common divisor of 617, 636, 42, 855 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 617, 636, 42, 855 with Factoring?

Given Input numbers are 617, 636, 42, 855

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

Divisors of 617 :

The positive integer divisors of 617 that completely divides 617 are.

1, 617

Divisors of 636 :

The positive integer divisors of 636 that completely divides 636 are.

1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636

Divisors of 42 :

The positive integer divisors of 42 that completely divides 42 are.

1, 2, 3, 6, 7, 14, 21, 42

Divisors of 855 :

The positive integer divisors of 855 that completely divides 855 are.

1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855


GCD of numbers is the greatest common divisor

So, the GCD (617, 636, 42, 855) = 1.

Find GCD of 617, 636, 42, 855 using Prime Factorization

Given numbers are 617, 636, 42, 855

The list of prime factors of all numbers are

Prime factors of 617 are 617

Prime factors of 636 are 2 x 2 x 3 x 53

Prime factors of 42 are 2 x 3 x 7

Prime factors of 855 are 3 x 3 x 5 x 19

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

Steps to Calculate GCD of 617, 636, 42, 855 using LCM Formula

Given numbers are 617, 636, 42, 855

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

Apply this formula for all numbers.

Step1:

LCM(617, 636) = 392412

GCD(617, 636) = ( 617 x 636 ) / 392412

= 617 / 636

= 617


Step2:

LCM(1, 42) = 42

GCD(1, 42) = ( 1 x 42 ) / 42

= 1 / 42

= 1


Step3:

LCM(1, 855) = 855

GCD(1, 855) = ( 1 x 855 ) / 855

= 1 / 855

= 1


So, Greatest Common Divisor of 617, 636, 42, 855 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 617, 636, 42, 855

Given numbers are 617, 636, 42, 855
The greatest common divisor of numbers 617, 636, 42, 855 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 617, 636, 42, 855 is 1.

FAQs on GCD of 617, 636, 42, 855 Calculator

1. What is the GCD of 617, 636, 42, 855?

GCD of given numbers 617, 636, 42, 855 is 1


2. How to calculate the greatest common divisor of 617, 636, 42, 855?

We can find the highest common divisor of 617, 636, 42, 855 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 617, 636, 42, 855 i.e 1.


3. How can I use the GCD of 617, 636, 42, 855Calculator?

Out the numbers 617, 636, 42, 855 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.