GCD of 638, 201, 204, 168 Calculator

Given Input numbers are 638, 201, 204, 168

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

Divisors of 638

List of positive integer divisors of 638 that divides 638 without a remainder.

1, 2, 11, 22, 29, 58, 319, 638

Divisors of 201

List of positive integer divisors of 201 that divides 201 without a remainder.

1, 3, 67, 201

Divisors of 204

List of positive integer divisors of 204 that divides 204 without a remainder.

1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204

Divisors of 168

List of positive integer divisors of 168 that divides 168 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168

Greatest Common Divisior

We found the divisors of 638, 201, 204, 168 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 638, 201, 204, 168 is 1.

Therefore, GCD of numbers 638, 201, 204, 168 is 1

Given Input Data is 638, 201, 204, 168

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

Prime Factorization of 638 is 2 x 11 x 29

Prime Factorization of 201 is 3 x 67

Prime Factorization of 204 is 2 x 2 x 3 x 17

Prime Factorization of 168 is 2 x 2 x 2 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(638, 201) = 128238

GCD(638, 201) = ( 638 x 201 ) / 128238

GCD(638, 201) = 128238 / 128238

GCD(638, 201) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 204

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

LCM(1, 204) = 204

GCD(1, 204) = ( 1 x 204 ) / 204

GCD(1, 204) = 204 / 204

GCD(1, 204) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 168

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

LCM(1, 168) = 168

GCD(1, 168) = ( 1 x 168 ) / 168

GCD(1, 168) = 168 / 168

GCD(1, 168) = 1

GCD of 638, 201, 204, 168 is 1

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1. What is the GCD of 638, 201, 204, 168?

GCD of 638, 201, 204, 168 is 1

2. Where do I get the detailed procedure to find GCD of 638, 201, 204, 168?

You can find a detailed procedure to find GCD of 638, 201, 204, 168 on our page.

3. How to find GCD of 638, 201, 204, 168 on a calculator?

You can find the GCD of 638, 201, 204, 168 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.