GCD of 505, 396, 812, 623 Calculator

Given Input numbers are 505, 396, 812, 623

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

Divisors of 505

List of positive integer divisors of 505 that divides 505 without a remainder.

1, 5, 101, 505

Divisors of 396

List of positive integer divisors of 396 that divides 396 without a remainder.

1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396

Divisors of 812

List of positive integer divisors of 812 that divides 812 without a remainder.

1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812

Divisors of 623

List of positive integer divisors of 623 that divides 623 without a remainder.

1, 7, 89, 623

Greatest Common Divisior

We found the divisors of 505, 396, 812, 623 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 505, 396, 812, 623 is 1.

Therefore, GCD of numbers 505, 396, 812, 623 is 1

Given Input Data is 505, 396, 812, 623

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

Prime Factorization of 505 is 5 x 101

Prime Factorization of 396 is 2 x 2 x 3 x 3 x 11

Prime Factorization of 812 is 2 x 2 x 7 x 29

Prime Factorization of 623 is 7 x 89

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(505, 396) = 199980

GCD(505, 396) = ( 505 x 396 ) / 199980

GCD(505, 396) = 199980 / 199980

GCD(505, 396) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 812

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

LCM(1, 812) = 812

GCD(1, 812) = ( 1 x 812 ) / 812

GCD(1, 812) = 812 / 812

GCD(1, 812) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 623

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

LCM(1, 623) = 623

GCD(1, 623) = ( 1 x 623 ) / 623

GCD(1, 623) = 623 / 623

GCD(1, 623) = 1

GCD of 505, 396, 812, 623 is 1

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1. What is the GCD of 505, 396, 812, 623?

GCD of 505, 396, 812, 623 is 1

2. Where do I get the detailed procedure to find GCD of 505, 396, 812, 623?

You can find a detailed procedure to find GCD of 505, 396, 812, 623 on our page.

3. How to find GCD of 505, 396, 812, 623 on a calculator?

You can find the GCD of 505, 396, 812, 623 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.