GCD of 695, 520, 128, 947 Calculator

Given Input numbers are 695, 520, 128, 947

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

Divisors of 695

List of positive integer divisors of 695 that divides 695 without a remainder.

1, 5, 139, 695

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 128

List of positive integer divisors of 128 that divides 128 without a remainder.

1, 2, 4, 8, 16, 32, 64, 128

Divisors of 947

List of positive integer divisors of 947 that divides 947 without a remainder.

1, 947

Greatest Common Divisior

We found the divisors of 695, 520, 128, 947 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 695, 520, 128, 947 is 1.

Therefore, GCD of numbers 695, 520, 128, 947 is 1

Given Input Data is 695, 520, 128, 947

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

Prime Factorization of 695 is 5 x 139

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

Prime Factorization of 128 is 2 x 2 x 2 x 2 x 2 x 2 x 2

Prime Factorization of 947 is 947

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(695, 520) = 72280

GCD(695, 520) = ( 695 x 520 ) / 72280

GCD(695, 520) = 361400 / 72280

GCD(695, 520) = 5

Step2:

Here we consider the GCD from the above i.e. 5 as first number and the next as 128

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

LCM(5, 128) = 640

GCD(5, 128) = ( 5 x 128 ) / 640

GCD(5, 128) = 640 / 640

GCD(5, 128) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 947

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

LCM(1, 947) = 947

GCD(1, 947) = ( 1 x 947 ) / 947

GCD(1, 947) = 947 / 947

GCD(1, 947) = 1

GCD of 695, 520, 128, 947 is 1

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1. What is the GCD of 695, 520, 128, 947?

GCD of 695, 520, 128, 947 is 1

2. Where do I get the detailed procedure to find GCD of 695, 520, 128, 947?

You can find a detailed procedure to find GCD of 695, 520, 128, 947 on our page.

3. How to find GCD of 695, 520, 128, 947 on a calculator?

You can find the GCD of 695, 520, 128, 947 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.