GCD of 181, 644, 189 Calculator

Given Input numbers are 181, 644, 189

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

Divisors of 181

List of positive integer divisors of 181 that divides 181 without a remainder.

1, 181

Divisors of 644

List of positive integer divisors of 644 that divides 644 without a remainder.

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644

Divisors of 189

List of positive integer divisors of 189 that divides 189 without a remainder.

1, 3, 7, 9, 21, 27, 63, 189

Greatest Common Divisior

We found the divisors of 181, 644, 189 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 181, 644, 189 is 1.

Therefore, GCD of numbers 181, 644, 189 is 1

Given Input Data is 181, 644, 189

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

Prime Factorization of 181 is 181

Prime Factorization of 644 is 2 x 2 x 7 x 23

Prime Factorization of 189 is 3 x 3 x 3 x 7

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(181, 644) = 116564

GCD(181, 644) = ( 181 x 644 ) / 116564

GCD(181, 644) = 116564 / 116564

GCD(181, 644) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 189

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

LCM(1, 189) = 189

GCD(1, 189) = ( 1 x 189 ) / 189

GCD(1, 189) = 189 / 189

GCD(1, 189) = 1

GCD of 181, 644, 189 is 1

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1. What is the GCD of 181, 644, 189?

GCD of 181, 644, 189 is 1

2. Where do I get the detailed procedure to find GCD of 181, 644, 189?

You can find a detailed procedure to find GCD of 181, 644, 189 on our page.

3. How to find GCD of 181, 644, 189 on a calculator?

You can find the GCD of 181, 644, 189 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.