GCD of 639, 715, 124, 188 Calculator

Given Input numbers are 639, 715, 124, 188

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

Divisors of 639

List of positive integer divisors of 639 that divides 639 without a remainder.

1, 3, 9, 71, 213, 639

Divisors of 715

List of positive integer divisors of 715 that divides 715 without a remainder.

1, 5, 11, 13, 55, 65, 143, 715

Divisors of 124

List of positive integer divisors of 124 that divides 124 without a remainder.

1, 2, 4, 31, 62, 124

Divisors of 188

List of positive integer divisors of 188 that divides 188 without a remainder.

1, 2, 4, 47, 94, 188

Greatest Common Divisior

We found the divisors of 639, 715, 124, 188 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 639, 715, 124, 188 is 1.

Therefore, GCD of numbers 639, 715, 124, 188 is 1

Given Input Data is 639, 715, 124, 188

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

Prime Factorization of 639 is 3 x 3 x 71

Prime Factorization of 715 is 5 x 11 x 13

Prime Factorization of 124 is 2 x 2 x 31

Prime Factorization of 188 is 2 x 2 x 47

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(639, 715) = 456885

GCD(639, 715) = ( 639 x 715 ) / 456885

GCD(639, 715) = 456885 / 456885

GCD(639, 715) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 124

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

LCM(1, 124) = 124

GCD(1, 124) = ( 1 x 124 ) / 124

GCD(1, 124) = 124 / 124

GCD(1, 124) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 188

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

LCM(1, 188) = 188

GCD(1, 188) = ( 1 x 188 ) / 188

GCD(1, 188) = 188 / 188

GCD(1, 188) = 1

GCD of 639, 715, 124, 188 is 1

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1. What is the GCD of 639, 715, 124, 188?

GCD of 639, 715, 124, 188 is 1

2. Where do I get the detailed procedure to find GCD of 639, 715, 124, 188?

You can find a detailed procedure to find GCD of 639, 715, 124, 188 on our page.

3. How to find GCD of 639, 715, 124, 188 on a calculator?

You can find the GCD of 639, 715, 124, 188 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.