GCD of 781, 371, 478 Calculator

Given Input numbers are 781, 371, 478

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

Divisors of 781

List of positive integer divisors of 781 that divides 781 without a remainder.

1, 11, 71, 781

Divisors of 371

List of positive integer divisors of 371 that divides 371 without a remainder.

1, 7, 53, 371

Divisors of 478

List of positive integer divisors of 478 that divides 478 without a remainder.

1, 2, 239, 478

Greatest Common Divisior

We found the divisors of 781, 371, 478 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 781, 371, 478 is 1.

Therefore, GCD of numbers 781, 371, 478 is 1

Given Input Data is 781, 371, 478

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

Prime Factorization of 781 is 11 x 71

Prime Factorization of 371 is 7 x 53

Prime Factorization of 478 is 2 x 239

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(781, 371) = 289751

GCD(781, 371) = ( 781 x 371 ) / 289751

GCD(781, 371) = 289751 / 289751

GCD(781, 371) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 478

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

LCM(1, 478) = 478

GCD(1, 478) = ( 1 x 478 ) / 478

GCD(1, 478) = 478 / 478

GCD(1, 478) = 1

GCD of 781, 371, 478 is 1

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1. What is the GCD of 781, 371, 478?

GCD of 781, 371, 478 is 1

2. Where do I get the detailed procedure to find GCD of 781, 371, 478?

You can find a detailed procedure to find GCD of 781, 371, 478 on our page.

3. How to find GCD of 781, 371, 478 on a calculator?

You can find the GCD of 781, 371, 478 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.