GCD of 855, 323, 940, 636 Calculator

Given Input numbers are 855, 323, 940, 636

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 855

List of positive integer divisors of 855 that divides 855 without a remainder.

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

Divisors of 323

List of positive integer divisors of 323 that divides 323 without a remainder.

1, 17, 19, 323

Divisors of 940

List of positive integer divisors of 940 that divides 940 without a remainder.

1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940

Divisors of 636

List of positive integer divisors of 636 that divides 636 without a remainder.

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

Greatest Common Divisior

We found the divisors of 855, 323, 940, 636 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 855, 323, 940, 636 is 1.

Therefore, GCD of numbers 855, 323, 940, 636 is 1

Given Input Data is 855, 323, 940, 636

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 855 is 3 x 3 x 5 x 19

Prime Factorization of 323 is 17 x 19

Prime Factorization of 940 is 2 x 2 x 5 x 47

Prime Factorization of 636 is 2 x 2 x 3 x 53

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

Step1:

Let's calculate the GCD of first two numbers

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

LCM(855, 323) = 14535

GCD(855, 323) = ( 855 x 323 ) / 14535

GCD(855, 323) = 276165 / 14535

GCD(855, 323) = 19

Step2:

Here we consider the GCD from the above i.e. 19 as first number and the next as 940

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

LCM(19, 940) = 17860

GCD(19, 940) = ( 19 x 940 ) / 17860

GCD(19, 940) = 17860 / 17860

GCD(19, 940) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 636

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

LCM(1, 636) = 636

GCD(1, 636) = ( 1 x 636 ) / 636

GCD(1, 636) = 636 / 636

GCD(1, 636) = 1

GCD of 855, 323, 940, 636 is 1

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1. What is the GCD of 855, 323, 940, 636?

GCD of 855, 323, 940, 636 is 1

2. Where do I get the detailed procedure to find GCD of 855, 323, 940, 636?

You can find a detailed procedure to find GCD of 855, 323, 940, 636 on our page.

3. How to find GCD of 855, 323, 940, 636 on a calculator?

You can find the GCD of 855, 323, 940, 636 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.