GCD of 424, 879, 18, 640 Calculator

Given Input numbers are 424, 879, 18, 640

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

Divisors of 424

List of positive integer divisors of 424 that divides 424 without a remainder.

1, 2, 4, 8, 53, 106, 212, 424

Divisors of 879

List of positive integer divisors of 879 that divides 879 without a remainder.

1, 3, 293, 879

Divisors of 18

List of positive integer divisors of 18 that divides 18 without a remainder.

1, 2, 3, 6, 9, 18

Divisors of 640

List of positive integer divisors of 640 that divides 640 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640

Greatest Common Divisior

We found the divisors of 424, 879, 18, 640 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 424, 879, 18, 640 is 1.

Therefore, GCD of numbers 424, 879, 18, 640 is 1

Given Input Data is 424, 879, 18, 640

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

Prime Factorization of 424 is 2 x 2 x 2 x 53

Prime Factorization of 879 is 3 x 293

Prime Factorization of 18 is 2 x 3 x 3

Prime Factorization of 640 is 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5

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(424, 879) = 372696

GCD(424, 879) = ( 424 x 879 ) / 372696

GCD(424, 879) = 372696 / 372696

GCD(424, 879) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 18

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

LCM(1, 18) = 18

GCD(1, 18) = ( 1 x 18 ) / 18

GCD(1, 18) = 18 / 18

GCD(1, 18) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 640

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

LCM(1, 640) = 640

GCD(1, 640) = ( 1 x 640 ) / 640

GCD(1, 640) = 640 / 640

GCD(1, 640) = 1

GCD of 424, 879, 18, 640 is 1

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• GCD of 743, 744, 71, 767
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1. What is the GCD of 424, 879, 18, 640?

GCD of 424, 879, 18, 640 is 1

2. Where do I get the detailed procedure to find GCD of 424, 879, 18, 640?

You can find a detailed procedure to find GCD of 424, 879, 18, 640 on our page.

3. How to find GCD of 424, 879, 18, 640 on a calculator?

You can find the GCD of 424, 879, 18, 640 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.