GCD of 485, 842, 90, 406 Calculator

Given Input numbers are 485, 842, 90, 406

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

Divisors of 485

List of positive integer divisors of 485 that divides 485 without a remainder.

1, 5, 97, 485

Divisors of 842

List of positive integer divisors of 842 that divides 842 without a remainder.

1, 2, 421, 842

Divisors of 90

List of positive integer divisors of 90 that divides 90 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

Divisors of 406

List of positive integer divisors of 406 that divides 406 without a remainder.

1, 2, 7, 14, 29, 58, 203, 406

Greatest Common Divisior

We found the divisors of 485, 842, 90, 406 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 485, 842, 90, 406 is 1.

Therefore, GCD of numbers 485, 842, 90, 406 is 1

Given Input Data is 485, 842, 90, 406

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

Prime Factorization of 485 is 5 x 97

Prime Factorization of 842 is 2 x 421

Prime Factorization of 90 is 2 x 3 x 3 x 5

Prime Factorization of 406 is 2 x 7 x 29

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(485, 842) = 408370

GCD(485, 842) = ( 485 x 842 ) / 408370

GCD(485, 842) = 408370 / 408370

GCD(485, 842) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 90

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

LCM(1, 90) = 90

GCD(1, 90) = ( 1 x 90 ) / 90

GCD(1, 90) = 90 / 90

GCD(1, 90) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 406

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

LCM(1, 406) = 406

GCD(1, 406) = ( 1 x 406 ) / 406

GCD(1, 406) = 406 / 406

GCD(1, 406) = 1

GCD of 485, 842, 90, 406 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 717, 670, 63, 981
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• GCD of 851, 692, 89, 536

1. What is the GCD of 485, 842, 90, 406?

GCD of 485, 842, 90, 406 is 1

2. Where do I get the detailed procedure to find GCD of 485, 842, 90, 406?

You can find a detailed procedure to find GCD of 485, 842, 90, 406 on our page.

3. How to find GCD of 485, 842, 90, 406 on a calculator?

You can find the GCD of 485, 842, 90, 406 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.