GCD of 395, 686, 815, 779 Calculator

Given Input numbers are 395, 686, 815, 779

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

Divisors of 395

List of positive integer divisors of 395 that divides 395 without a remainder.

1, 5, 79, 395

Divisors of 686

List of positive integer divisors of 686 that divides 686 without a remainder.

1, 2, 7, 14, 49, 98, 343, 686

Divisors of 815

List of positive integer divisors of 815 that divides 815 without a remainder.

1, 5, 163, 815

Divisors of 779

List of positive integer divisors of 779 that divides 779 without a remainder.

1, 19, 41, 779

Greatest Common Divisior

We found the divisors of 395, 686, 815, 779 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 395, 686, 815, 779 is 1.

Therefore, GCD of numbers 395, 686, 815, 779 is 1

Given Input Data is 395, 686, 815, 779

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

Prime Factorization of 395 is 5 x 79

Prime Factorization of 686 is 2 x 7 x 7 x 7

Prime Factorization of 815 is 5 x 163

Prime Factorization of 779 is 19 x 41

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(395, 686) = 270970

GCD(395, 686) = ( 395 x 686 ) / 270970

GCD(395, 686) = 270970 / 270970

GCD(395, 686) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 815

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

LCM(1, 815) = 815

GCD(1, 815) = ( 1 x 815 ) / 815

GCD(1, 815) = 815 / 815

GCD(1, 815) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 779

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

LCM(1, 779) = 779

GCD(1, 779) = ( 1 x 779 ) / 779

GCD(1, 779) = 779 / 779

GCD(1, 779) = 1

GCD of 395, 686, 815, 779 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 934, 199, 114, 716
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• GCD of 523, 910, 578, 220

1. What is the GCD of 395, 686, 815, 779?

GCD of 395, 686, 815, 779 is 1

2. Where do I get the detailed procedure to find GCD of 395, 686, 815, 779?

You can find a detailed procedure to find GCD of 395, 686, 815, 779 on our page.

3. How to find GCD of 395, 686, 815, 779 on a calculator?

You can find the GCD of 395, 686, 815, 779 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.