GCD of 981, 327, 259, 129 Calculator

Given Input numbers are 981, 327, 259, 129

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

Divisors of 981

List of positive integer divisors of 981 that divides 981 without a remainder.

1, 3, 9, 109, 327, 981

Divisors of 327

List of positive integer divisors of 327 that divides 327 without a remainder.

1, 3, 109, 327

Divisors of 259

List of positive integer divisors of 259 that divides 259 without a remainder.

1, 7, 37, 259

Divisors of 129

List of positive integer divisors of 129 that divides 129 without a remainder.

1, 3, 43, 129

Greatest Common Divisior

We found the divisors of 981, 327, 259, 129 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 981, 327, 259, 129 is 1.

Therefore, GCD of numbers 981, 327, 259, 129 is 1

Given Input Data is 981, 327, 259, 129

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

Prime Factorization of 981 is 3 x 3 x 109

Prime Factorization of 327 is 3 x 109

Prime Factorization of 259 is 7 x 37

Prime Factorization of 129 is 3 x 43

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(981, 327) = 981

GCD(981, 327) = ( 981 x 327 ) / 981

GCD(981, 327) = 320787 / 981

GCD(981, 327) = 327

Step2:

Here we consider the GCD from the above i.e. 327 as first number and the next as 259

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

LCM(327, 259) = 84693

GCD(327, 259) = ( 327 x 259 ) / 84693

GCD(327, 259) = 84693 / 84693

GCD(327, 259) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 129

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

LCM(1, 129) = 129

GCD(1, 129) = ( 1 x 129 ) / 129

GCD(1, 129) = 129 / 129

GCD(1, 129) = 1

GCD of 981, 327, 259, 129 is 1

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1. What is the GCD of 981, 327, 259, 129?

GCD of 981, 327, 259, 129 is 1

2. Where do I get the detailed procedure to find GCD of 981, 327, 259, 129?

You can find a detailed procedure to find GCD of 981, 327, 259, 129 on our page.

3. How to find GCD of 981, 327, 259, 129 on a calculator?

You can find the GCD of 981, 327, 259, 129 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.