GCD of 427, 890, 389 Calculator

Given Input numbers are 427, 890, 389

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

Divisors of 427

List of positive integer divisors of 427 that divides 427 without a remainder.

1, 7, 61, 427

Divisors of 890

List of positive integer divisors of 890 that divides 890 without a remainder.

1, 2, 5, 10, 89, 178, 445, 890

Divisors of 389

List of positive integer divisors of 389 that divides 389 without a remainder.

1, 389

Greatest Common Divisior

We found the divisors of 427, 890, 389 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 427, 890, 389 is 1.

Therefore, GCD of numbers 427, 890, 389 is 1

Given Input Data is 427, 890, 389

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

Prime Factorization of 427 is 7 x 61

Prime Factorization of 890 is 2 x 5 x 89

Prime Factorization of 389 is 389

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(427, 890) = 380030

GCD(427, 890) = ( 427 x 890 ) / 380030

GCD(427, 890) = 380030 / 380030

GCD(427, 890) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 389

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

LCM(1, 389) = 389

GCD(1, 389) = ( 1 x 389 ) / 389

GCD(1, 389) = 389 / 389

GCD(1, 389) = 1

GCD of 427, 890, 389 is 1

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1. What is the GCD of 427, 890, 389?

GCD of 427, 890, 389 is 1

2. Where do I get the detailed procedure to find GCD of 427, 890, 389?

You can find a detailed procedure to find GCD of 427, 890, 389 on our page.

3. How to find GCD of 427, 890, 389 on a calculator?

You can find the GCD of 427, 890, 389 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.