GCD of 572, 398, 91, 815 Calculator

Given Input numbers are 572, 398, 91, 815

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

Divisors of 572

List of positive integer divisors of 572 that divides 572 without a remainder.

1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572

Divisors of 398

List of positive integer divisors of 398 that divides 398 without a remainder.

1, 2, 199, 398

Divisors of 91

List of positive integer divisors of 91 that divides 91 without a remainder.

1, 7, 13, 91

Divisors of 815

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

1, 5, 163, 815

Greatest Common Divisior

We found the divisors of 572, 398, 91, 815 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 572, 398, 91, 815 is 1.

Therefore, GCD of numbers 572, 398, 91, 815 is 1

Given Input Data is 572, 398, 91, 815

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

Prime Factorization of 572 is 2 x 2 x 11 x 13

Prime Factorization of 398 is 2 x 199

Prime Factorization of 91 is 7 x 13

Prime Factorization of 815 is 5 x 163

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(572, 398) = 113828

GCD(572, 398) = ( 572 x 398 ) / 113828

GCD(572, 398) = 227656 / 113828

GCD(572, 398) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 91

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

LCM(2, 91) = 182

GCD(2, 91) = ( 2 x 91 ) / 182

GCD(2, 91) = 182 / 182

GCD(2, 91) = 1

Step3:

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

GCD of 572, 398, 91, 815 is 1

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1. What is the GCD of 572, 398, 91, 815?

GCD of 572, 398, 91, 815 is 1

2. Where do I get the detailed procedure to find GCD of 572, 398, 91, 815?

You can find a detailed procedure to find GCD of 572, 398, 91, 815 on our page.

3. How to find GCD of 572, 398, 91, 815 on a calculator?

You can find the GCD of 572, 398, 91, 815 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.