GCD of 291, 286, 42, 115 Calculator

Given Input numbers are 291, 286, 42, 115

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

Divisors of 291

List of positive integer divisors of 291 that divides 291 without a remainder.

1, 3, 97, 291

Divisors of 286

List of positive integer divisors of 286 that divides 286 without a remainder.

1, 2, 11, 13, 22, 26, 143, 286

Divisors of 42

List of positive integer divisors of 42 that divides 42 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42

Divisors of 115

List of positive integer divisors of 115 that divides 115 without a remainder.

1, 5, 23, 115

Greatest Common Divisior

We found the divisors of 291, 286, 42, 115 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 291, 286, 42, 115 is 1.

Therefore, GCD of numbers 291, 286, 42, 115 is 1

Given Input Data is 291, 286, 42, 115

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

Prime Factorization of 291 is 3 x 97

Prime Factorization of 286 is 2 x 11 x 13

Prime Factorization of 42 is 2 x 3 x 7

Prime Factorization of 115 is 5 x 23

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(291, 286) = 83226

GCD(291, 286) = ( 291 x 286 ) / 83226

GCD(291, 286) = 83226 / 83226

GCD(291, 286) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 42

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

LCM(1, 42) = 42

GCD(1, 42) = ( 1 x 42 ) / 42

GCD(1, 42) = 42 / 42

GCD(1, 42) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 115

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

LCM(1, 115) = 115

GCD(1, 115) = ( 1 x 115 ) / 115

GCD(1, 115) = 115 / 115

GCD(1, 115) = 1

GCD of 291, 286, 42, 115 is 1

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• GCD of 285, 106, 69, 169
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1. What is the GCD of 291, 286, 42, 115?

GCD of 291, 286, 42, 115 is 1

2. Where do I get the detailed procedure to find GCD of 291, 286, 42, 115?

You can find a detailed procedure to find GCD of 291, 286, 42, 115 on our page.

3. How to find GCD of 291, 286, 42, 115 on a calculator?

You can find the GCD of 291, 286, 42, 115 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.