GCD of 291, 661, 355 Calculator

Given Input numbers are 291, 661, 355

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 661

List of positive integer divisors of 661 that divides 661 without a remainder.

1, 661

Divisors of 355

List of positive integer divisors of 355 that divides 355 without a remainder.

1, 5, 71, 355

Greatest Common Divisior

We found the divisors of 291, 661, 355 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 291, 661, 355 is 1.

Therefore, GCD of numbers 291, 661, 355 is 1

Given Input Data is 291, 661, 355

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

Prime Factorization of 291 is 3 x 97

Prime Factorization of 661 is 661

Prime Factorization of 355 is 5 x 71

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, 661) = 192351

GCD(291, 661) = ( 291 x 661 ) / 192351

GCD(291, 661) = 192351 / 192351

GCD(291, 661) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 355

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

LCM(1, 355) = 355

GCD(1, 355) = ( 1 x 355 ) / 355

GCD(1, 355) = 355 / 355

GCD(1, 355) = 1

GCD of 291, 661, 355 is 1

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1. What is the GCD of 291, 661, 355?

GCD of 291, 661, 355 is 1

2. Where do I get the detailed procedure to find GCD of 291, 661, 355?

You can find a detailed procedure to find GCD of 291, 661, 355 on our page.

3. How to find GCD of 291, 661, 355 on a calculator?

You can find the GCD of 291, 661, 355 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.