GCD of 891, 390, 73, 380 Calculator

Given Input numbers are 891, 390, 73, 380

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

Divisors of 891

List of positive integer divisors of 891 that divides 891 without a remainder.

1, 3, 9, 11, 27, 33, 81, 99, 297, 891

Divisors of 390

List of positive integer divisors of 390 that divides 390 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

Divisors of 73

List of positive integer divisors of 73 that divides 73 without a remainder.

1, 73

Divisors of 380

List of positive integer divisors of 380 that divides 380 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380

Greatest Common Divisior

We found the divisors of 891, 390, 73, 380 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 891, 390, 73, 380 is 1.

Therefore, GCD of numbers 891, 390, 73, 380 is 1

Given Input Data is 891, 390, 73, 380

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

Prime Factorization of 891 is 3 x 3 x 3 x 3 x 11

Prime Factorization of 390 is 2 x 3 x 5 x 13

Prime Factorization of 73 is 73

Prime Factorization of 380 is 2 x 2 x 5 x 19

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(891, 390) = 115830

GCD(891, 390) = ( 891 x 390 ) / 115830

GCD(891, 390) = 347490 / 115830

GCD(891, 390) = 3

Step2:

Here we consider the GCD from the above i.e. 3 as first number and the next as 73

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

LCM(3, 73) = 219

GCD(3, 73) = ( 3 x 73 ) / 219

GCD(3, 73) = 219 / 219

GCD(3, 73) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 380

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

LCM(1, 380) = 380

GCD(1, 380) = ( 1 x 380 ) / 380

GCD(1, 380) = 380 / 380

GCD(1, 380) = 1

GCD of 891, 390, 73, 380 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 808, 950, 59, 984
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• GCD of 229, 951, 39, 727

1. What is the GCD of 891, 390, 73, 380?

GCD of 891, 390, 73, 380 is 1

2. Where do I get the detailed procedure to find GCD of 891, 390, 73, 380?

You can find a detailed procedure to find GCD of 891, 390, 73, 380 on our page.

3. How to find GCD of 891, 390, 73, 380 on a calculator?

You can find the GCD of 891, 390, 73, 380 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.