GCD of 783, 531, 47, 638 Calculator

Given Input numbers are 783, 531, 47, 638

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

Divisors of 783

List of positive integer divisors of 783 that divides 783 without a remainder.

1, 3, 9, 27, 29, 87, 261, 783

Divisors of 531

List of positive integer divisors of 531 that divides 531 without a remainder.

1, 3, 9, 59, 177, 531

Divisors of 47

List of positive integer divisors of 47 that divides 47 without a remainder.

1, 47

Divisors of 638

List of positive integer divisors of 638 that divides 638 without a remainder.

1, 2, 11, 22, 29, 58, 319, 638

Greatest Common Divisior

We found the divisors of 783, 531, 47, 638 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 783, 531, 47, 638 is 1.

Therefore, GCD of numbers 783, 531, 47, 638 is 1

Given Input Data is 783, 531, 47, 638

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

Prime Factorization of 783 is 3 x 3 x 3 x 29

Prime Factorization of 531 is 3 x 3 x 59

Prime Factorization of 47 is 47

Prime Factorization of 638 is 2 x 11 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(783, 531) = 46197

GCD(783, 531) = ( 783 x 531 ) / 46197

GCD(783, 531) = 415773 / 46197

GCD(783, 531) = 9

Step2:

Here we consider the GCD from the above i.e. 9 as first number and the next as 47

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

LCM(9, 47) = 423

GCD(9, 47) = ( 9 x 47 ) / 423

GCD(9, 47) = 423 / 423

GCD(9, 47) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 638

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

LCM(1, 638) = 638

GCD(1, 638) = ( 1 x 638 ) / 638

GCD(1, 638) = 638 / 638

GCD(1, 638) = 1

GCD of 783, 531, 47, 638 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 324, 415, 29, 497
• GCD of 882, 451, 30, 678
• GCD of 968, 749, 90, 138
• GCD of 632, 497, 52, 544
• GCD of 220, 753, 28, 893

1. What is the GCD of 783, 531, 47, 638?

GCD of 783, 531, 47, 638 is 1

2. Where do I get the detailed procedure to find GCD of 783, 531, 47, 638?

You can find a detailed procedure to find GCD of 783, 531, 47, 638 on our page.

3. How to find GCD of 783, 531, 47, 638 on a calculator?

You can find the GCD of 783, 531, 47, 638 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.