GCD of 477, 621, 23, 428 Calculator

Given Input numbers are 477, 621, 23, 428

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

Divisors of 477

List of positive integer divisors of 477 that divides 477 without a remainder.

1, 3, 9, 53, 159, 477

Divisors of 621

List of positive integer divisors of 621 that divides 621 without a remainder.

1, 3, 9, 23, 27, 69, 207, 621

Divisors of 23

List of positive integer divisors of 23 that divides 23 without a remainder.

1, 23

Divisors of 428

List of positive integer divisors of 428 that divides 428 without a remainder.

1, 2, 4, 107, 214, 428

Greatest Common Divisior

We found the divisors of 477, 621, 23, 428 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 477, 621, 23, 428 is 1.

Therefore, GCD of numbers 477, 621, 23, 428 is 1

Given Input Data is 477, 621, 23, 428

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

Prime Factorization of 477 is 3 x 3 x 53

Prime Factorization of 621 is 3 x 3 x 3 x 23

Prime Factorization of 23 is 23

Prime Factorization of 428 is 2 x 2 x 107

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(477, 621) = 32913

GCD(477, 621) = ( 477 x 621 ) / 32913

GCD(477, 621) = 296217 / 32913

GCD(477, 621) = 9

Step2:

Here we consider the GCD from the above i.e. 9 as first number and the next as 23

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

LCM(9, 23) = 207

GCD(9, 23) = ( 9 x 23 ) / 207

GCD(9, 23) = 207 / 207

GCD(9, 23) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 428

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

LCM(1, 428) = 428

GCD(1, 428) = ( 1 x 428 ) / 428

GCD(1, 428) = 428 / 428

GCD(1, 428) = 1

GCD of 477, 621, 23, 428 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 953, 299, 52, 836
• GCD of 591, 856, 54, 262
• GCD of 631, 916, 44, 902
• GCD of 242, 208, 38, 949
• GCD of 907, 699, 67, 195

1. What is the GCD of 477, 621, 23, 428?

GCD of 477, 621, 23, 428 is 1

2. Where do I get the detailed procedure to find GCD of 477, 621, 23, 428?

You can find a detailed procedure to find GCD of 477, 621, 23, 428 on our page.

3. How to find GCD of 477, 621, 23, 428 on a calculator?

You can find the GCD of 477, 621, 23, 428 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.