GCD of 520, 787, 20, 359 Calculator

Given Input numbers are 520, 787, 20, 359

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

Divisors of 520

List of positive integer divisors of 520 that divides 520 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

Divisors of 787

List of positive integer divisors of 787 that divides 787 without a remainder.

1, 787

Divisors of 20

List of positive integer divisors of 20 that divides 20 without a remainder.

1, 2, 4, 5, 10, 20

Divisors of 359

List of positive integer divisors of 359 that divides 359 without a remainder.

1, 359

Greatest Common Divisior

We found the divisors of 520, 787, 20, 359 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 520, 787, 20, 359 is 1.

Therefore, GCD of numbers 520, 787, 20, 359 is 1

Given Input Data is 520, 787, 20, 359

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

Prime Factorization of 520 is 2 x 2 x 2 x 5 x 13

Prime Factorization of 787 is 787

Prime Factorization of 20 is 2 x 2 x 5

Prime Factorization of 359 is 359

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(520, 787) = 409240

GCD(520, 787) = ( 520 x 787 ) / 409240

GCD(520, 787) = 409240 / 409240

GCD(520, 787) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 20

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

LCM(1, 20) = 20

GCD(1, 20) = ( 1 x 20 ) / 20

GCD(1, 20) = 20 / 20

GCD(1, 20) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 359

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

LCM(1, 359) = 359

GCD(1, 359) = ( 1 x 359 ) / 359

GCD(1, 359) = 359 / 359

GCD(1, 359) = 1

GCD of 520, 787, 20, 359 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 341, 536, 70, 289
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• GCD of 683, 252, 56, 104
• GCD of 726, 202, 92, 752
• GCD of 683, 310, 50, 223

1. What is the GCD of 520, 787, 20, 359?

GCD of 520, 787, 20, 359 is 1

2. Where do I get the detailed procedure to find GCD of 520, 787, 20, 359?

You can find a detailed procedure to find GCD of 520, 787, 20, 359 on our page.

3. How to find GCD of 520, 787, 20, 359 on a calculator?

You can find the GCD of 520, 787, 20, 359 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.