GCD of 747, 855, 866, 392 Calculator

Given Input numbers are 747, 855, 866, 392

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

Divisors of 747

List of positive integer divisors of 747 that divides 747 without a remainder.

1, 3, 9, 83, 249, 747

Divisors of 855

List of positive integer divisors of 855 that divides 855 without a remainder.

1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855

Divisors of 866

List of positive integer divisors of 866 that divides 866 without a remainder.

1, 2, 433, 866

Divisors of 392

List of positive integer divisors of 392 that divides 392 without a remainder.

1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392

Greatest Common Divisior

We found the divisors of 747, 855, 866, 392 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 747, 855, 866, 392 is 1.

Therefore, GCD of numbers 747, 855, 866, 392 is 1

Given Input Data is 747, 855, 866, 392

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

Prime Factorization of 747 is 3 x 3 x 83

Prime Factorization of 855 is 3 x 3 x 5 x 19

Prime Factorization of 866 is 2 x 433

Prime Factorization of 392 is 2 x 2 x 2 x 7 x 7

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(747, 855) = 70965

GCD(747, 855) = ( 747 x 855 ) / 70965

GCD(747, 855) = 638685 / 70965

GCD(747, 855) = 9

Step2:

Here we consider the GCD from the above i.e. 9 as first number and the next as 866

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

LCM(9, 866) = 7794

GCD(9, 866) = ( 9 x 866 ) / 7794

GCD(9, 866) = 7794 / 7794

GCD(9, 866) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 392

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

LCM(1, 392) = 392

GCD(1, 392) = ( 1 x 392 ) / 392

GCD(1, 392) = 392 / 392

GCD(1, 392) = 1

GCD of 747, 855, 866, 392 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 320, 280, 342, 393
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• GCD of 729, 985, 539, 772
• GCD of 437, 535, 990, 465
• GCD of 243, 640, 905, 607

1. What is the GCD of 747, 855, 866, 392?

GCD of 747, 855, 866, 392 is 1

2. Where do I get the detailed procedure to find GCD of 747, 855, 866, 392?

You can find a detailed procedure to find GCD of 747, 855, 866, 392 on our page.

3. How to find GCD of 747, 855, 866, 392 on a calculator?

You can find the GCD of 747, 855, 866, 392 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.