GCD of 684, 161, 191, 855 Calculator

Given Input numbers are 684, 161, 191, 855

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

Divisors of 684

List of positive integer divisors of 684 that divides 684 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684

Divisors of 161

List of positive integer divisors of 161 that divides 161 without a remainder.

1, 7, 23, 161

Divisors of 191

List of positive integer divisors of 191 that divides 191 without a remainder.

1, 191

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

Greatest Common Divisior

We found the divisors of 684, 161, 191, 855 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 684, 161, 191, 855 is 1.

Therefore, GCD of numbers 684, 161, 191, 855 is 1

Given Input Data is 684, 161, 191, 855

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

Prime Factorization of 684 is 2 x 2 x 3 x 3 x 19

Prime Factorization of 161 is 7 x 23

Prime Factorization of 191 is 191

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

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(684, 161) = 110124

GCD(684, 161) = ( 684 x 161 ) / 110124

GCD(684, 161) = 110124 / 110124

GCD(684, 161) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 191

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

LCM(1, 191) = 191

GCD(1, 191) = ( 1 x 191 ) / 191

GCD(1, 191) = 191 / 191

GCD(1, 191) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 855

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

LCM(1, 855) = 855

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

GCD(1, 855) = 855 / 855

GCD(1, 855) = 1

GCD of 684, 161, 191, 855 is 1

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1. What is the GCD of 684, 161, 191, 855?

GCD of 684, 161, 191, 855 is 1

2. Where do I get the detailed procedure to find GCD of 684, 161, 191, 855?

You can find a detailed procedure to find GCD of 684, 161, 191, 855 on our page.

3. How to find GCD of 684, 161, 191, 855 on a calculator?

You can find the GCD of 684, 161, 191, 855 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.